Wear with pride. We took a classic and made it into a TomboyX icon, the first truly gender-neutral boxer brief. These essential Tomboy trunks pair quality cotton with just the right amount of stretch for a smooth, body-hugging fit.

Fit-tested on all body types, sizes XS-4X
Signature stay-put silky soft rainbow TomboyX waistband
95% OEKO-TEX Certified cotton, 5% spandex
Smooth, durable flatlock seams won’t irritate or chafe
Mid rise fit, 4.5” inseam
Machine wash cold, tumble dry low

Lisa is 5’5” and wearing a size Medium

Be fiercely and unapologetically you. Browse our collections of bras, underwear & loungewear made for all genders, bodies & styles.

TomboyX

4.5" Trunks - Black Rainbow

Size

Color

Women's Clothing

Nothing says fun like happy narwhals in bright, neon colors. Your go-to tank for all your summer activities. Go anywhere, feel great doing it. Designed with a longer cut this tank won't ride up or bunch even during the most adventurous of activities. Throw it on over a swimsuit for instant, breathable coverage. Use it in the water as a rash guard or take advantage of it's sun-protective qualities to keep your skin from sizzling.

Fit-tested on all body types, sizes XS-4X
Antibacterial, odor resistant, breathable, and moisture wicking Chitosante treatment
UPF 50 sun protection
Regular fit
79% polyester; 21% spandex OEKO-TEX®-certified fabric
Smooth, durable flatlock seams won’t irritate or chafe
Hand wash; line dry

Swim Tank - Neon Narwhal

Women's Beach & Swim

No leaks, no mess, no worries. First Line is here to keep you dry and on the go (or on the couch). With built-in leak protection for light days and incontinence, you’ll be able to rest, move, and breathe easy. Our trunks feature a floating gusset that can fit a pad with wings for some extra coverage when you need it. And hey — they’re antibacterial and odor-repellent, all while looking and feeling just like your favorite Tomboys.
First Line underwear is made with OEKO-TEX® 100 Certified fabrics which are free from chemicals that are toxic to humans including PFOS and PFOA chemicals that have been shown to cause infertility or cancer. Learn more.

Fit-tested on all body types, sizes XS-6X
Body: 95% OEKO-TEX Certified cotton, 5% spandex
Liner: 90% polyester, 10% spandex
Signature stay-put silky soft TomboyX waistband
Mid rise fit, 4.5" inseam
Holds 4 tsps of liquid
Smooth, durable flatlock seams won’t irritate or chafe
Machine wash cold in a mesh bag, line dry overnight. Avoid machine drying.

First Line Leakproof 4.5" Trunks - Black

We’ll keep it brief - these are classic for a reason. Our supersoft, extra-breathable cotton blend is paired with a cut that won’t ride up or let you down. That’s why we think our full-coverage brief is an everyday hero.

Fit-tested on all body types, sizes 3XS-6XL
Signature stay-put silky soft X= waistband
95% OEKO-TEX Certified cotton, 5% spandex
Smooth, durable flatlock seams won’t irritate or chafe
Low rise fit
Machine wash cold, tumble dry low

Alana is 5'11" and wearing a size 2X Lisa is 5'5" and wearing a size Medium

Iconic Briefs - X= Black

You’ve never seen a trunk like this - the first and the best gender-neutral classic just for you. Somewhere between a short and a brief, our 4.5” trunks are everything you need. Made with supersoft cotton blend that gives just a hint of stretch and makes sure you stay comfy, while our signature stay-put waistband keeps it together without pinching or riding up.

Fit-tested on all body types, sizes XS-6XL
Signature stay-put silky soft TomboyX waistband
95% OEKO-TEX Certified cotton, 5% spandex
Smooth, durable flatlock seams won’t irritate or chafe
Mid rise fit, 4.5” inseam
Machine wash cold, tumble dry low

Alana is 5'11" and wearing a size 2X Lisa is 5'5" and wearing a size Medium

4.5" Trunks - X= Black

It’s our classic bra with a sporty racerback, and it’s here to support you. Made from the same quality supersoft cotton as our famous underwear. Double layered in the iconic Tomboy style, this zippy racerback bra offers the comfort of a bralette and full coverage so you won’t even notice you’re wearing it (what a relief).

Fit-tested on all body types, sizes XS-4X
Light support with no underwire or padding
Signature stay-put silky soft white chestband
95% OEKO-TEX Certified cotton, 5% spandex
Smooth, durable flatlock seams won’t irritate or chafe
Scoop-neck front, racer-style back
Machine wash cold, tumble dry low

Racerback Soft Bra Lc - Royal Blue

Bras

It’s our classic bra, and it’s here to support you. Made from the same quality supersoft cotton as our famous underwear. Double layered in the iconic Tomboy style, this bra offers the comfort of a bralette and full coverage so you won’t even notice you’re wearing it (what a relief).

Fit-tested on all body types, sizes XS-4X
Light support with no underwire or padding
Signature stay-put silky soft white chestband
95% OEKO-TEX Certified cotton, 5% spandex
Scoop-neck front and back
Machine wash cold, tumble dry low

Essentials Soft Bra Lc - Electric Pink

Boldly black over every inch. Made with our supremely comfortable, sustainable cotton, this is a bra you'll want to live in. This double layered low-intensity racerback bra is made from the same quality cotton as our famous underwear. A sporty companion to the Essentials Soft Bra. Full coverage fit means one less thing to worry about.

Fit-tested on all body types, sizes 3XS-6XL
Light support with no underwire or padding
Signature stay-put silky soft X= chestband
95% OEKO-TEX Certified cotton, 5% spandex
Smooth, durable flatlock seams won’t irritate or chafe
Scoop-neck front, racer-style back
Machine wash cold, tumble dry low

Lisa is 5'5" and wearing a size Medium Elisha is 5'4" and wearing a size 2X

Racerback Soft Bra - X= Black

No leaks, no mess, no worries. First Line is here to keep you dry and on the go (or on the couch). With built-in leak protection for light days and incontinence, you’ll be able to rest, move, and breathe easy. And hey — they’re antibacterial and odor-repellent, all while looking and feeling just like your favorite Tomboys.
First Line underwear is made with OEKO-TEX® 100 Certified fabrics which are free from chemicals that are toxic to humans including PFOS and PFOA chemicals that have been shown to cause infertility or cancer. Learn more.

Looks and fits just like regular TomboyX Underwear
Body: 95% OEKO-TEX Certified cotton, 5% spandex Liner: 90% polyester, 10% spandex
Holds 8 tsps of liquid
Signature stay-put TomboyX waistband
Odor-resistant
Smooth, durable flatlock seams won’t irritate or chafe
Machine wash cold in a mesh bag, line dries overnight. Avoid machine drying.

First Line Leakproof Bikini Lc - Black

Bikinis

No leaks, no mess, no worries. First Line is here to keep you dry and on the go (or on the couch). With built-in leak protection for light days and incontinence, you’ll be able to rest, move, and breathe easy. And hey — they’re antibacterial and odor-repellent, all while looking and feeling just like your favorite Tomboys. Plus, the outside fabric is also leak resistant for even more protection.
First Line underwear is made with OEKO-TEX® 100 Certified fabrics which are free from chemicals that are toxic to humans including PFOS and PFOA chemicals that have been shown to cause infertility or cancer. Learn more.

Looks and fits just like regular TomboyX Underwear
Body: 95% OEKO-TEX Certified cotton, 5% spandex Liner: 90% polyester, 10% spandex
Holds 8 tsps of liquid
Odor-resistant
Smooth, durable flatlock seams won’t irritate or chafe
Machine wash cold in a mesh bag, line dries overnight. Avoid machine drying.

First Line Leakproof Bikini Lc - Iron

Wear with pride. Go long for more versatility, comfort, and chafe prevention. Our longest cut features the TomboyX stay-put waistband and quality stretch-blend cotton. Wear these as an under or outer layer.

Fit-tested on all body types, sizes XS-6X
Signature stay-put silky soft rainbow TomboyX waistband
95% OEKO-TEX Certified cotton, 5% spandex
Smooth, durable flatlock seams won’t irritate or chafe
Mid rise fit, 9" inseam
Machine wash cold, tumble dry low

9" Boxer Briefs - Black Rainbow

A classic if there ever was one, exceptional comfort in Tomboy style. Supersoft and breathable stretch-blend cotton pairs with quality construction to make these full-coverage briefs an everyday staple.

Fit-tested on all body types, sizes XS-4X
Signature stay-put silky soft white TomboyX waistband
95% OEKO-TEX Certified cotton, 5% spandex
Smooth, durable flatlock seams won’t irritate or chafe
Low rise fit
Machine wash cold, tumble dry low

Mariama is 5’7” and wearing a size Medium Elisha is 5’4” and wearing a size 2X

Iconic Briefs - Charcoal

Wear with pride. These mid-length boxer briefs fit you and who you are. A faux fly and decorative buttons compliment this classic profile. Our signature stay-put waistband pairs perfectly with mid-length coverage.

Fit-tested on all body types, sizes XS-4X
Signature stay-put silky soft rainbow TomboyX waistband
95% OEKO-TEX Certified cotton, 5% spandex
Smooth, durable flatlock seams won’t irritate or chafe
Mid rise fit, 6" inseam
Machine wash cold, tumble dry low

Lisa is 5’5” and wearing a size Medium

6" Fly Boxer Briefs - Black Rainbow

The classic casual cozy pick, with a major comfort upgrade. Pure French terry cotton delivers that it-can't-really-be-this-soft feel, and the lightweight fabric's breathable, moisture-wicking performance make it a year-round choice. A drawstring hood and ribbing at the waistband and cuffs seal in the coziness.

Relaxed fit
100% OEKO-TEX ® certified cotton
Machine wash cold, tumble dry low
Kangaroo pocket
Drawstring hood

French Terry Pullover Hoodie - Black With Rainbow

Lounge Tops

This version of our classic 6” fly boxer briefs features a deep pocket to securely and comfortably accommodate a soft FTM packer. Combined with our oh-so soft stretch-blend cotton, signature stay-put waistband, and chafe-free mid-length coverage, these briefs ensure comfort and confidence all day long. Because the packer sits inside a pouch, STP use is not recommended.

Fit-tested on all body types, sizes XS-4X
Includes a functional 3-button fly
Signature stay-put silky soft X= black waistband
95% OEKO-TEX Certified cotton, 5% spandex
Smooth, durable flatlock seams won’t irritate or chafe
Mid rise fit, 6" inseam
Machine wash cold, tumble dry low

6" Fly Packing Boxer Briefs - Black

We took a classic and made it into a TomboyX icon, the first truly gender-neutral boxer brief. These essential Tomboy trunks pair quality cotton with just the right amount of stretch for a smooth, body-hugging fit. (Now in technicolor.)

Fit-tested on all body types, sizes XS-6X
Signature stay-put silky soft X= white waistband
95% OEKO-TEX Certified cotton, 5% spandex
Smooth, durable flatlock seams won’t irritate or chafe
Mid rise fit, 4.5” inseam
Machine wash cold, tumble dry low

Alana is 5’11” and wearing a size 2X Lisa is 5’5” and wearing a size Medium

4.5" Trunks - Rainbow Pride Stripes

A classic if there ever was one, exceptional comfort in Tomboy style. Supersoft and breathable stretch-blend cotton pairs with quality construction to make these full-coverage briefs an everyday staple. (Now in technicolor.)

Fit-tested on all body types, sizes XS-6X
Signature stay-put silky soft X= white waistband
95% OEKO-TEX Certified cotton, 5% spandex
Smooth, durable flatlock seams won’t irritate or chafe
Low rise fit
Machine wash cold, tumble dry low

Alana is 5’11” and wearing a size 2X Lisa is 5’5” and wearing a size Medium

Iconic Briefs - Rainbow Pride Stripes

Go long for more versatility, comfort, and chafe prevention. Our longest cut features the TomboyX stay-put waistband and quality stretch-blend cotton. Wear these as an under or outer layer. (Now in technicolor.)

Fit-tested on all body types, sizes XS-4X
Signature stay-put silky soft X= white waistband
95% OEKO-TEX Certified cotton, 5% spandex
Smooth, durable flatlock seams won’t irritate or chafe
Mid rise fit, 9" inseam
Machine wash cold, tumble dry low

Lisa is 5’5” and wearing a size Medium

9" Boxer Briefs - Rainbow Pride Stripes

Why choose between comfort and style? Our thong lets you have it all. Made from the soft, sustainable TENCEL™ Modal, our thong gives you room to move, a soft stay-put waistband, and the feeling of wearing nothing at all with the security of wearing the best.

Fit-tested on all body types, sizes XS-4X
Signature stay-put silky soft Rainbow TomboyX waistband
Sustainably sourced from renewable beechwood trees
95% TENCEL™ Modal, 5% spandex
Highly stretchy to accommodate different body types
Smooth, durable flatlock seams won't irritate or chafeMachine wash cold, tumble dry low

Lisa is 5'5" and wearing a size Medium

Thong - Tencel™ Modal Black Rainbow

Thongs

Why choose between comfort and style? Our thong lets you have it all. Made from the soft, sustainable TENCEL™ Modal, our thong gives you room to move, a soft stay-put waistband, and the feeling of wearing nothing at all with the security of wearing the best.

Fit-tested on all body types, sizes XS-4X
Signature stay-put silky soft TomboyX waistband
Sustainably sourced from renewable beechwood trees
95% TENCEL™ Modal, 5% spandex
Highly stretchy to accommodate different body types
Smooth, durable flatlock seams won’t irritate or chafe
Machine wash cold, tumble dry low

Thong - Tencel™ Modal Black

Why choose between comfort and style? Our thong lets you have it all. Made from the soft, sustainable TENCEL™ Modal, our thong gives you room to move, a soft stay-put waistband, and the feeling of wearing nothing at all with the security of wearing the best.

Fit-tested on all body types, sizes XS-4X
Signature stay-put silky soft X= White waistband
Sustainably sourced from renewable beechwood trees
95%
TENCEL™ Modal, 5% spandex
Highly stretchy to accommodate different body types
Smooth, durable flatlock seams won’t irritate or chafeMachine wash cold, tumble dry low

Thong Lc - Tencel™ Modal Social Butterflies

Now updated with an improved fit! Why get one thing when you can get a bunch of things all at once? Our supersoft, versatile multiclava is made from the same stretch-blend cotton as our underwear and functions as a headband, neck gaiter, hair tie, wristband, head covering, or balaclava.

95% OEKO-TEX certified cotton, 5% spandex
Machine wash cold, tumble dry low
Width: 9.25", length 17"

Multiclava Lc - Bottle Green

Women

Multiclava Lc - Arcade Hero

The wild touch your outfit needed. Why get one thing when you can get a bunch of things all at once? Our supersoft, versatile multiclava is made from the same stretch-blend cotton as our underwear and functions as a headband, neck gaiter, hair tie, wristband, head covering, or balaclava.

95% OEKO-TEX certified cotton, 5% spandex
Machine wash cold, tumble dry low
Width: 10.25", length 15"

Multiclava Lc - Animal Botanical

The original dad-tastic ball cap, TomboyX-style. Classic construction with a gently curved brim makes this a go-to pick for sunny activities or as the finishing touch for day-to-day wear, and the black X= patch gives a subtle salute to TomboyX pride.

Cotton twill
4-stitch sweatband
Adjustable tuck strap with metal slide

Baseball Cap - Black X=

Title

Multiclava Lc - Merlot

Now updated with an improved fit! The spooky touch your outfit needed. Why get one thing when you can get a bunch of things all at once? Our supersoft, versatile multiclava is made from the same stretch-blend cotton as our underwear and functions as a headband, neck gaiter, hair tie, wristband, head covering, or balaclava. Also, to keep you extra spooky, the eyeball on the print glows in the dark!

95% OEKO-TEX certified cotton, 5% spandex
Machine wash cold, tumble dry low
Width: 9.25", length 17"

Multiclava Lc - Witches' Brew

Made of high quality foam, these insert pads add modesty and shaping to Adaptable TomboyX bras.

Machine wash cold in a mesh laundry bag with like colors
Cover 100% polyester, foam 100% polyurethane
Chlorine and sweat resistant

Foam Bra Inserts - White

Multiclava Lc - Winter Bears Print

Go long, be strong. Made from the soft, sustainable TENCEL™ Modal, our longest cut gives you full coverage, a soft stay-put waistband, and the feeling of wearing nothing at all with the chafe-free security of wearing the best.

Fit-tested on all body types, sizes XS-4X
Signature stay-put silky soft Rainbow TomboyX waistband
Sustainably sourced from renewable beechwood trees
Mid rise, 9" inseam
95% TENCEL™ Modal, 5% spandex
Highly stretchy to accommodate different body types
Smooth, durable flatlock seams won't irritate or chafe
Machine wash cold, tumble dry low