Buying underwear isn’t exactly the most glamorous activity. As much as we want to just buy a value pack of whatever undies and call it a day, being intentional about underwear shopping can actually make a difference in overall comfort, support, and function. This is especially true when shopping with a specific need in mind, such as the best underwear that doesn’t show lines — a.k.a. seamless underwear. 

“Seamless underwear is a type of underwear made with no bands or elastics and is meant to stay in place with no visible seams or stitching,” Dr. Somi Javaid, MD, FACOG, founder and Chief Medical Officer of HerMD tells PEOPLE. This type of underwear tends to be a little more forgiving and is less restrictive and binding and is a go-to option for those looking to eliminate the look of visible panty lines, no matter what underwear style they choose.

That being said, seamless underwear isn’t actually seamless, since underwear construction requires the use of seams to create shape and comfort. “When people say ‘seamless underwear,’ they are referring to underwear that minimizes the number of seams and eliminates the seams that are visible under clothing,” explains Noa Arias and Shaula Yemini, the co-founders of women's lingerie brand Bloomers Intimates. 

Since nearly every underwear brand carries its own version of seamless undies, how do you know which seamless undies are actually worth it? With the help of experts, we researched dozens of seamless underwear options across all of the style categories to find the best high-quality options for comfort, fabric, support, style, and fit.

Keep reading to learn more about our top picks for the best seamless underwear.

Best Overall

EBY High Waisted Thong

EBY

Who It’s Good For

• These are a great pick for anyone who wants underwear that feels supportive but goes undetected under jeans, leggings, and other tight-fitting garments.

Who It’s Not Good For

The Eby High-Waisted Thong, our best overall pick, is one of the most comfortable pairs of underwear we own. We love the high-waisted style because it acts as a shield between our skin and high-waisted jeans, providing longer-lasting comfort for all-day wear. 

Additionally, the high-rise band feels ultra-supportive on the belly area and provides a light smoothing effect, making it a good option for those looking for underwear with some slight shapewear effects. While it’s not the most budget-friendly option on our list, we feel that the price tag reflects its high quality and durability. If you are looking for a good deal, the brand has a subscription option which reduces the price per pair. These may not be the best choice if you want underwear that comes in a wider range of skin tone options.

Size Range: XS-4XL | Color Options: Fallen rock, black, castle wall, nude, dusty rose | Material: Nylon, spandex, cotton | Features: Extra-wide side band

Best Budget

Old Navy No-Show Hipster Underwear 3-Pack

Who It’s Good For Who It’s Not Good For

If you’re shopping for a budget-friendly seamless underwear option, we recommend the Old Navy Soft-Knit No-Show Hipster Underwear, which comes in a three-pack (if you're looking to purchase only one pair, you may want to consider another option). These low-rise hipster undies are constructed from a breathable and stretchy nylon spandex blend with a comfortable cotton gusset.

We love them for the completely seamless design and laser-cut raw edges that are invisible under clothing and stretch that hugs the body for a comfortable fit. The seamless hipsters also come in an inclusive size range and several skin tone colors, plus a pink, white, and black bundle if you want to switch it up.

Size Range: XS-4XL | Color Options: Black jack, maple wood, cocoa mocha, dark walnut, frappe, pink | Material: Spandex, nylon, cotton lining | Features: Tag-free label, laser-cut edges 

Best at Amazon

Voenxe Seamless Thongs

Amazon

Who It’s Good For Who It’s Not Good For

If you’re shopping for underwear on Amazon and looking for versatile thongs, we recommend the Voenxe Seamless Women Underwear Thongs, which come in a pack of five for a great price. Constructed from stretchy and breathable fabric, these thongs stretch comfortably around the body without digging into the sides and go undetected under tight garments, including the best leggings and bodycon dresses. With five stars from over 48,000 Amazon customers, the seamless underwear comes highly recommended for its comfort, breathable fabric, and fit. If you prefer a variety of underwear styles beyond thongs, you may want to check out some of our other seamless underwear options.

Size Range: XS-2XL | Color Options: Floral, pattern, basic, black, leopard print, apricot, bright color, white | Material: Polyamide, elastane | Features: Soft-bonded microfiber

Best Cooling

Uniqlo Seamless High-Rise Brief

Uniqlo

Who It’s Good For Who It’s Not Good For

The best underwear for summer weather — or if you live in year-round hot and humid climates — is the breathable Uniqlo AIRism Ultra Seamless High-Rise Brief, which is one of our favorites for wearing under flowy dresses and skirts.

These high-waisted briefs are constructed from Uniqlo’s Airism fabric, which uses textile technology to wick away moisture and emit heat from the body for a more cooling sensation. They’re also super stretchy and have a buttery soft texture that feels amazing against the skin.  If you're more of a fan of mid to low-rise briefs, you may not like these high-rise briefs.

Size Range: XS-2XL | Color Options: White, black, pink, rose pink, light pink, red, beige, light brown, latte brown, dark brown, aqua blue, periwinkle, dark blue, purple | Material: Nylon, spandex, cotton | Features: AIRism technology  

Best Value

Amazon Essentials Stretch Hipster Underwear

Who It’s Good For Who It’s Not Good For

The Amazon Essentials Women’s Seamless Bonded Stretch Hipster Underwear is also worth considering, especially for those shopping with value in mind. This four-pack of hipster underwear is low in cost and comes in several different color collections, including all black, earth tones, and cool pastels, giving you plenty of variety.

Plus, they’re constructed from breathable and lightweight nylon material with four-way stretch for long-lasting comfort and an excellent fit. With thousands of positive reviews on Amazon, customers love these undies not only because they’re a good deal — they’re also made to last and keep their shape after many washes, too. If you prefer a different style, these hipsters might not be the ideal underwear choice for you.

Size Range: XS-2XL | Color Options: Black, blue/pink, cool colors, earth tones, neutral tones, pale blue, warm tones | Material: Nylon, elastane | Features: Four-way stretch

Best Brief

Shapermint Seamless Stretch Mid-Waist Brief

Shapermint

Who It’s Good For Who It’s Not Good For

We love the Shapermint Truekind Seamless Stretch Mid-Waist Brief for its ultra-comfy high-rise fit, breathable and stretchy nylon material, and flexibility. These undies also have a full-coverage design and feature laser-cut seamless edges to prevent visible panty lines, so they work really well under tight-fitting clothes, including yoga pants and bike shorts.

The fabric is also lightweight and thin enough to feel like a second skin while also providing enough coverage to remain functional and serve its purpose. Despite having a high-waisted design, these stay put and never roll or twist, even if you wear them while working out. They are one of the pricier picks on our list, so they might not be ideal if you don't have much room in your budget.

Size Range: XS-4XL | Color Options: Black, latte | Material: Nylon, spandex, cotton | Features: Laser-cut seamless edges, full coverage 

Best Thong

Gap No-Show Thong

Gap

Who It’s Good For Who It’s Not Good For

For thong underwear that is truly seamless, we cannot recommend the Gap No-Show Thong enough. This thong doesn’t have any stitching or elastic and features smooth edges to prevent visible panty lines when worn under tight garments.

Available in lots of gorgeous neutral hues — including several nude shades, plus classic white and black — the durable and high-quality thong features microfiber material that is soft-to-the-touch, breathable, and provides long-lasting comfort. That said, the size range is not as inclusive as other options on our list.

Size Range: XXS-XXL | Color Options: Brush beige, wispy pink, true black, pale warm pink, passion rose pink, mercury gray, mauve brown, optic white, clay brown, warm dark brown | Material: Microfiber | Features: No stitching or elastic

Best Shapewear

Spanx Shaping Satin Brief

Spanx

Who It’s Good For Who It’s Not Good For

If you want the benefits of shapewear without fully committing to it, we love the Spanx Shaping Satin Brief. Constructed from a quick dry fabric with a silky satin finish, these brief undies are breathable, soft, and flexible and provide full coverage on the back and belly area. The seamless shapewear also features double-layer shaping panels to target and smooth the core. While it technically has a few seams, it’s seamless under clothing, including tight-fitting dresses and skirts. 

Size Range: XS-3XL | Color Options: Dijon, silver moon, linen, cafe au lait, very black, burnt rust | Material: Nylon, elastane, cotton | Features: Quick-dry fabric, double layer shaping panels, full coverage

Best Recycled Fabric

Everlane Invisible High-Rise Hipster

Who It’s Good For Who It’s Not Good For

The best sustainable seamless underwear is the Everlane Invisible High-Rise Hipster, which is constructed from a blend of recycled nylon and stretchy elastane to create a form-fitting undergarment that lays flat against the body and is invisible under clothing. If you prefer underwear that's made with cotton or a cotton blend, the nylon material might not be ideal.

This high-rise hipster underwear also features Bluesign-approved dyes, which are both better for the planet and safer for dyehouse workers. In addition to its sustainable construction, the underwear has an incredible fit that hugs the body in all of the right places, providing lightweight support in the belly area with a cheeky backside that doesn’t generate VPL, even if you wear them under a silky slip dress. 

Size Range: XXS-2XL | Color Options: Light tan, black, dark tan, plum gray, ocean cavern | Material: Recycled nylon, elastane | Features: Econyl 100% regenerated nylon, Bluesign-approved dyes

Best Bikini

ThirdLove ComfortStretch Bikini

Who It’s Good For Who It’s Not Good For

We love the ThirdLove ComfortStretch Bikini because it’s constructed from a lightweight and breathable stretchy nylon material that lays flat against the body with a four-way stretch. These flexible undies are designed to move with your body, so you don’t have to worry about them rolling or twisting under your clothing. Additionally, the underwear doesn’t have any elastic around the waistline or bulky stitches, so it remains invisible, even with its cheeky coverage. While not available in any prints, these seamless underwear come in several nude skin tones as well as limited edition colors so you can find just the color you're looking for.

Size Range: XS-3XL | Color Options: Soft pink, taupe, mocha, Sienna, espresso, black, and six limited edition colors | Material: Nylon, spandex, cotton | Features: Four-way stretch, no elastic or stitches 

Best for Exercise

Lululemon InvisiWear Mid Rise Thong Underwear

lululemon

Who It’s Good For Who It’s Not Good For

The Lululemon InvisiWear Mid-Rise Thong Underwear is our top pick for the best seamless underwear for exercise because it features a lightweight, sweat-wicking, and quick-drying material with added lycra for shape retention — and it comes in a three-pack. 

Designed for yoga and other low-impact exercises, these thongs form-fit to the body like a glove and have four-way stretch, so they actually move with the body instead of twisting and slipping. They’re also smooth enough to appear invisible under athleisure garments and workout sets, including leggings, cycling shorts, and onesies.  

Size Range: XS-2XL | Color Options: Double dimension starlight black/meadowsweet pink/black, dark lavender/pistachio/bone, lip gloss/flush pink/summer glow, and more | Material: Nylon, lycra, elastane, cotton | Features: Shape retention, moisture-wicking, quick-drying, four-way stretch

Best Shorts

Intimissimi Seamless Supima Cotton Shorts

Who It’s Good For Who It’s Not Good For

If you’re shopping for a pair of seamless shorts that you can wear under dresses and skirts to prevent chafing, we recommend the Intimissimi Seamless Supima Cotton Shorts. These comfortable and breathable undergarment shorts are constructed with lots of stretch so they form to the body and stay in place without any tugging and pulling.

Although the shorts feature some seams at the waistband and down the back, all seams are strategically placed so that the undergarment remains invisible under clothing, and they even feature a raw edge trim so that the material lays flat against the skin without squeezing or pinching. They do only come in two colors — natural and black — so they may not be ideal if you require different color options.

Size Range: S-XL | Color Options: Black, natural (soft beige) | Material: Supima cotton, elastane | Features: Raw edge trim 

Best Return Policy

Harper Wilde No-Show Bikini

Who It’s Good For Who It’s Not Good For

• Albeit a no-show style, this bikini technically has a seam down the back for shaping, so it’s not ideal for someone looking for a pair of underwear that is completely no-show.

The Harper Wilde No-Show Bikini is designed without elastic and constructed from buttery soft OEKO-TEX®-certified fabric, making this underwear virtually undetected under clothing. We love it because it has an edgeless style so you don’t run the risk of visible panty lines, and while it’s technically seamless, it actually has one seam down the back designed to give off a shaping effect. This is a pair that feels ultra comfy for all-day wear.

In addition to this specific cheeky style and its design details, we love Harper Wilde, in general, because the brand has a generous return policy that makes shopping for underwear ultra-easy. Whether you choose these undies or another style from the brand, you have the opportunity to return your first pair of underwear (in each style) for a full refund within 90 days of fulfillment, even if you try it on. 

Size Range: XS-4XL | Color Options: Beige, tan, brown, black, comet, steel, nebula | Material: Nylon, spandex, cotton lining | Features: OEKO-TEX®-certified materials 

Best Size Range

Yitty Smoothed Reality High Waist Brief

Yitty

Who It’s Good For Who It’s Not Good For

When it comes to inclusive sizing, we always turn to Lizzo’s intimates brand Yitty. Featuring sizes XS through 6XL, the Smoothed Reality High Waisted Brief is a fantastic everyday undergarment that provides just enough coverage — with a little cheekiness to it — and a high-waisted style designed to smooth the skin on the belly, hips, and butt.

The underwear is also constructed from recycled materials plus features an antimicrobial SilverSeam technology to keep things fresh and odor-free. On top of that, they have light compression for all-day support under jeans, dresses, skirts, and more. If you prefer a pair with even more compression and shapewear benefits, you may want to consider another pick from our list.

Size Range: XS-6XL | Color Options: Ivory, taupe, brown, black, seafoam green, firecracker, neon lime, pink tie-dye | Material: Recycled poly, elastane | Features: Antimicrobial SilverSeam technology, recycled material 

Best Breathable

Understance The BreatheEasy Seamless Cheeky

Who It’s Good For Who It’s Not Good For

Many seamless underwear options feature a breathable cotton gusset, but the Understance BreatheEasy Seamless Cheeky underwear was designed specifically with cooling fabric to up the ante. These cheeky hipster undies are constructed from a moisture-wicking polyamide spandex blend with a four-way stretch to provide more flexibility and a better fit.

They’re an excellent versatile option as they can easily work under jeans, dresses, and skirts on hot summer days, but the seamless and sweat-wicking component also makes them ideal for working out. However, we do wish they were available in a more expansive size range so even more people could enjoy them.

Size Range: S-XL | Color Options: Mauve, black, champagne pink, light gray, white | Material: Polyamide, spandex, cotton | Features: Four-way stretch, cooling fabric

Best for Leggings

Alo Airbrush Invisible Thong

Who It’s Good For Who It’s Not Good For

The best seamless underwear for wearing under leggings is, without a doubt, the Alo Airbrush Invisible Thong. These undies are constructed from a lightweight version of the brand's signature Airbrush fabric, which is constructed from polyester and spandex and features odor-resistance and a buttery soft feel. To add to the invisible style, the thong has a raw edge finish that lays flat against the body and doesn’t appear visible under tight-fitting athleisure fabrics, including tight leggings and yoga pants. If you prefer a non-thong style of underwear under leggings, you may want to consider one of the other pairs on this list.

Size Range: XXS-XL | Color Options: Smoky quartz, sand, black, champagne, cherry, candy pink, powder pink, cinnamon, toffee | Material: Airbrush fabric | Features: Odor-resistant, raw edge finish 

Best with Lace

Bloomers Her Highness Lace Brief

Who It’s Good For Who It’s Not Good For

When it comes to seamless underwear, lace isn’t typically something you see. However, if you want a lacey undergarment that is invisible under clothing, we found it in the Bloomers Intimates Her Highness Briefs.

These high-waisted lace briefs are designed with full coverage and four-way stretch material that form-fits the body and stays in place without twisting or rolling as you move. To give the lace underwear a seamless feel, they feature scalloped edges that blend against the skin, making them a good seamless option for thicker clothing materials such as denim or cotton. 

Size Range: XS-3XL | Color Options: Onyx, ruby, amethyst, blue quartz, rose quartz, pearl, licorice, chocolate, caramel, latte, cornflower, dragonfruit | Material: Nylon, spandex, cotton | Features: Four-way stretch, full coverage

Best Bundle

Girlfriend Collective The Underwear Mix 5-Pack

Who It’s Good For Who It’s Not Good For

If you want to stock up on several pairs of underwear in different styles, we recommend building your own bundle with the Girlfriend Collective Underwear Mix. This bundle allows you to custom-build a five-pack of seamless underwear with all different styles from the brand’s collection of comfortable, sweat-wicking undergarments.

From the Classic Thong to the High Rise Brief, you can mix and match colors and styles to create a personalized bundle. We love Girlfriend Collective's seamless underwear because it is constructed from a breathable and sweat-wicking material derived from recycled plastic water bottles, has 20 percent stretch so it moves with you while you workout, and has a Coolmax liner to keep things feeling refreshed down there. While we love the quality of these underwear, the price is on the high side compared to some of the other options on our list.

Size Range: XXS-6XL | Color Options: Varies, depending on the style | Material: Recycled plastic water bottles, spandex | Features: Recycled materials, Coolmax liner

Best Boyshort

Parade High Rise Boyshort

Parade

Who It’s Good For Who It’s Not Good For

For the best boyshort, we love the Parade Seamless Sculpt High Rise Boyshort, which is constructed from sustainably sourced fabric featuring recycled yarns and has an edgeless design that makes it invisible under clothing. However, if you're looking for underwear in nude color tones, they are not available in this style.

This high-waisted boyshort also has full coverage and doesn’t pinch or dig into the skin for a more comfortable fit. It’s also flexible enough to move with your body — even if worn for a workout — and adapts to the body without ever shifting, sliding, or rolling. 

Size Range: XS-3XL | Color Options: Eight-ball, toile, potion | Material: Recycled yarns, cotton | Features: Sustainably-sourced fabric, edgeless design 

Best Hipster

Bombas No-Show Hipster

Bombas

Who It’s Good For Who It’s Not Good For

If you love the hipster cut, our top pick for this category is the Bombas Women’s No-Show Hipster. Constructed from a stretchy nylon and elastane material with a cotton gusset, this Bombas underwear is quick-drying, breathable, and stays in place, making it a good option for those with active lifestyles. What sets this underwear apart from other hipster styles, though, is the inner band, which features SensElast technology to keep the underwear in place without creating bulk or seams. As a result, the underwear doesn’t ever slide, twist, or roll and instead stays flat against the body. However, if you need underwear in an inclusive size range, these may not be the best pick on the list.

Size Range: XS-XXL | Color Options: Slate, purple plum, indigo sapphire, prickly pear, purple haze, light sky, wine, black | Material: Nylon, elastane, cotton | Features: SensElast technology, quick-drying

Best Period Underwear

Knix Leakproof Bikini

Knix

Who It’s Good For Who It’s Not Good For

• This style light absorbency, so if you're looking for seamless underwear that can handle a heavier flow, you might want to consider a different style.

The Knix Leakproof Bikini is our top pick for the best seamless period underwear. This bikini underwear features a seamless design in a mid-rise style and features a thin gusset with absorbency for light days or backup protection against leaks. If you're looking for period underwear for heavier days, check out one of the brand's other styles.

The underwear comes in an inclusive size range and is constructed from a breathable nylon and Lycra Xtra Life blend that keeps its shape while form-fitting to the body for a flexible yet secure fit. We love that, despite being period underwear, it’s actually quite versatile and can be worn for ultra-sweaty workouts to help keep you dry and fresh, thanks to the thin gusset and seamless material.

Size Range: XS-4XL | Color Options: Dune, midnight, leopard, berry, black, orchid, arabesque, dahlia, rose water, cavassa, warm sand, sable, sola | Material: Nylon, Lycra Xtra Life®, polyester, spandex, carbon | Features: Light-absorbency period liner

Best Colors

Skims Seamless Sculpt Mid Waist Brief

Who It’s Good For Who It’s Not Good For

If you’re shopping for a pair of nude underwear and want more skin tone color options to choose from, the Skims Seamless Sculpt Mid-Waist Brief has the most impressive selection of nudes. Additionally, they’re one of the most comfortable shaping briefs ever. 

Designed with strong compression and a breathable and soft nylon-spandex blend, the high-rise shapewear undies target the tummy area for a smoother, more accentuated look under clothing. Additionally, these undies feature a silicone band at the waist to help keep everything in place and prevent the seamless material from rolling or twisting.  They do have strong compression, so these may not be the best choice for anyone looking for underwear with light or no compression.

Size Range: XXS-4XL | Color Options: Sand, mica, clay, ochre, Sienna, bronze, jasper, cocoa, espresso, black | Material: Nylon, spandex | Features: Strong compression

Best French-Cut

Natori French Cut Brief

Natori

Who It's Good For Who It's Not Good For

These French-cut briefs from Natori have a cheeky cut and soft lace detailing that gives them a fun and feminine style. They are also super stretchy, lightweight, and breathable, thanks to the combination of nylon and spandex. The lace fits comfortably and doesn’t tug against the body, and they feature a cotton gusset.

They’re also OEKO-TEX® Standard 100 certified. For best results, don’t place these in the washer, instead, hand wash and line dry. One thing to note: These don’t come in a lot of color or size options.

Size Range: One size (fits S-XL)  | Color Options: Black, cafe | Material: Nylon, spandex | Features: Cotton gusset

Best Plus Size

Skims Soft Smoothing Briefs

Skims

Who It's Good For Who It's Not Good For

These super soft, high-cut, classic briefs from Skims come in an inclusive size range and seven nude shades for different skin tones, as well as two limited-edition colors. They are stylish, have a smooth, comfortable fit, and, best of all, they are affordable.

These underwear are made to fit all different shapes and sizes from XXS to 4X. They are made with a buttery-soft and smooth blend of nylon and spandex that looks great under clothes, and they feature a 100 percent cotton gusset. They require a bit of extra care — the brand recommends hand washing and air drying the underwear for best results.

Size Range: XXS-4X | Color Options: Classic shades: marble, clay, ochre, sienna, bronze, cocoa, onyx; limited edition shades: desert, graphite | Material: Nylon, spandex | Features: Cotton gusset

Best Maternity

Sunnybuy Maternity High Waist Underwear

Amazon

Who It's Good For

• These are a great choice for anyone looking for soft, stretchy, seamless underwear that is machine washable.

Who It's Not Good For

During pregnancy — more than perhaps any other time — having comfortable underwear is essential. These soft, seamless underwear are made of bamboo, nylon, and spandex, so they have a good amount of stretch that will allow space for a growing belly.

The fabric also gives these high-waisted underwear a soft-to-the-touch feel. They cover the entire belly to provide support during pregnancy and after delivery. They’re sold in packages of two, three, or five, so you’ll always have plenty on hand, plus, they are machine-washable, so they’re easy to maintain. Keep in mind that they don’t include a cotton gusset, which may be a dealbreaker for some. 

Size Range: M-3X | Color Options: Black, gray, pink, nude, white, green | Material: Bamboo, nylon, spandex | Features: Stretchy material, full belly coverage

How to Pick the Right Seamless Underwear 

Fabric 

When shopping for seamless underwear, Ginny Parks, the director of merchandising and design for underwear and socks at Gildan, says to start by looking at the material to ensure comfort, breathability, and fit. “The wide range of seamless underwear fabric options include breathable cotton and cotton blends, buttery soft modals, quick-drying performance blends, and sustainable fibers such as recycled polyesters,” she explains. 

Our top pick for the best seamless underwear for exercise, the Lululemon InvisiWear Mid-Rise Thong Underwear, features breathable and sweat-wicking material that pairs well with leggings and is designed to move with your body. The Harper Wilde No-Show Bikini — which is our top pick for the best overall seamless underwear style — features a buttery soft nylon and spandex blend with a cotton gusset that is flexible enough for everyday wear. 

Style 

Whether you're looking for traditional or plus-sized underwear, seamless versions come in so many different styles, including thongs, briefs, bikinis, hipsters, and high-waisted options, too. You can even find seamless shorts to wear under dresses and skirts to prevent chafing and seamless shapewear underwear, too. The beauty of seamless underwear — regardless of the coverage — is that it’s constructed specifically with invisibility in mind, so if you aren’t into thongs, you can still avoid them without running the risk of visible panty lines. 

Our list of the best seamless underwear features a variety of underwear styles to choose from. For the best briefs, consider the Shapermint Truekind Seamless Stretch Mid-Waist Brief. If you want a high-waisted thong style, we recommend the Eby High-Waisted Thong. And, if boyshorts are more your vibe, consider the Parade Seamless Sculpt High-Rise Boyshort.

Fit

In order for seamless underwear to really work its magic, it needs to fit properly. When shopping for seamless underwear in any style, consider the size range, fit chart, and browse the customer reviews to get a good idea of how well a pair of undies fits. And, when it comes time to try on, make sure that the underwear fits flat against the body in a snug and supportive way that doesn’t dig or pinch the skin. 

For added fit benefits, consider seamless underwear with special features like an inner silicone band, which creates the benefits of an elastic waist without actually using elastic. The Skims Seamless Sculpt Mid-Waist Brief and Bombas Women's No-Show Hipster both feature an inner silicone lining that helps keep everything in place. 

Features and Benefits 

Parks also recommends looking for additional features and benefits to help you narrow down your seamless underwear search. “The women’s seamless market now offers a wide array of wearable solutions, including moisture wicking, cooling, odor management, knit-in breathable mesh zones, and laser-cut edges,” she explains. These perks serve a variety of purposes and can come in handy, especially if you plan to wear seamless underwear to exercise in. 

Frequently Asked Questions

• What material is best for seamless underwear?

  “Seamless underwear comes in a variety of fiber contents, a few of which include nylon-spandex, polyester-spandex, cotton-spandex, and more unique blends such as bamboo,” explains Parks. “Each of these blends provides soft, lightweight, and nearly invisible coverage.” With that said Parks says that the best material for seamless underwear really depends on your specific needs and preferences.
  

• How can you tell if underwear is truly seamless?

  Seamless underwear isn’t without seams. Instead, it has minimal seams — especially in areas that could cause visible panty lines like the leg holes. “When shopping for a seamless product, look for fewer seams, 360-degree stretch, and a lightweight, soft fabrication,” says Parks. She adds that the panty gusset and crotch panel require a moderate degree of construction, so it’s normal to see a lot more seams in this area. And, in some cases, seamless underwear might feature a discreet waistband.
  

• How do you wash seamless underwear?

  Since seamless underwear typically consists of more delicate fabrication, Parks says it should be washed with care. “The knit structure makes the product more prone to picks and snags,” she explains, noting that because of this, seamless underwear should be washed separately from garments with Velcro or zippers. 
  

  When washing seamless underwear, it’s best to launder based on the manufacturer’s care instructions for best results. However, if you don’t have access to this information, placing seamless undies in a delicates bag can help ensure they stay protected in a washing machine. “Since heat will destroy delicate fabrics and elastic, air dry your underwear rather than throwing it in the dryer,” Arias and Yemini add. 

Take Our Word For It

Jessie Quinn is a contributing commerce writer for PEOPLE and has written for publications such as Byrdie, InStyle, The Spruce, NYLON, and more. To find the best seamless underwear, Jessie began by researching dozens of options across all styles, including briefs, thongs, hipsters, bikinis, and shorts. She carefully examined the different types of material available, sizes, color options, and fabric content while also looking at any special features such as sweat-wicking and four-way stretch, too. 

Additionally, Jessie reached out to Dr. Somi Javaid, MD, FACOG, founder and Chief Medical Officer of HerMD, Ginny Parks, the director of merchandising and design for underwear and socks at Gildan, and Noa Arias and Shaula Yemini, the co-founders of women's lingerie brand Bloomers Intimates, to learn more about seamless underwear, including what to look for in a high-quality pair, how to wash seamless underwear, and more. 

Meet Our Experts

• Dr. Somi Javaid, MD, FACOG is the founder and chief medical officer of HerMD.
• Ginny Parks is the director of merchandising and design for underwear and socks at Gildan.
• Noa Arias and Shaula Yemini are the co-founders of women's lingerie brand Bloomers Intimates.

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