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PERFORMANCE UNDERWEAR

Designed for athletes.

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We've been featured everywhere.

GAME-CHANGING WORKOUTS. SERIOUSLY.

Three women perform overhead dumbbell presses in a gym.

1

PERFORMANCE-ENHANCING COMFORT

Stay cool and dry with Flex’s sweat-wicking recycled stretch fabric.

A woman intensely working out on an exercise bike in a dimly lit gym.

2

SUPPORTIVE & FUNCTIONAL

Enhanced support and compression that stays in place during intense workouts.

Three women in athletic wear lifting dumbbells overhead in a gym setting.

3

SLEEK & ANTI-CHAFING

Sleek and smooth fabric for a friction-free fit under clothing.

QUICK-DRY & SWEAT-WICKING

SUPPORTIVE & BREATHABLE

PERFORMANCE COMFORT

QUICK-DRY & SWEAT-WICKING

SUPPORTIVE & BREATHABLE

PERFORMANCE COMFORT

FLEX FURTHER. CONQUER NEW CHALLENGES.

Push beyond your limits with our sweat-wicking, quick-dry underwear. Made from eco-friendly recycled poly/spandex with an organic cotton gusset.

Woman in black athletic clothing standing with hands on hips.

WARNING!

Prepare yourself to set new records in Flex.

A woman in workout attire standing inside a dark gym, adjusting her pants.
Two people performing abdominal exercises in a dimly lit gym.

TRUSTED BY PROFESSIONAL ATHLETES


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Person with tattoos holding a basketball in a dimly lit room.

THE ONLY UNDERWEAR YOU NEED

Three women in gym attire standing confidently in a fitness studio.

Others

Flexible comfortable fit

Wicks moisture quickly

Highly breathable fabric

Chafe-free comfort

High-impact activity

TRY WOXER RISK FREE FOR 90 DAYS

Ready to elevate your game? Experience the ultimate in comfort and performance with our Flex athletic line. Our 100% satisfaction guarantee allows you to try and return within 90 days for a refund.

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Person wearing blue athletic boxer shorts with black waistband.

YOU'RE GONNA LOVE THIS UNDERWEAR

5.0 rating

100%

better workouts

100%

supportive

100%

more comfortable

100%

improved performance

Frequently Asked Questions

You got questions? We've got answers!

Are these really wedgie & chafe free?

How do they eliminate panty lines?

Why is your fabric so soft?

What is your return policy?

Why do your limited edition colors always sell out?

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TRUSTED BY PROS. MADE FOR YOU

Extremely comfortable

4.9

High-intensity approved.

4.3

Compressive & comfortable.

4.6

My new favorite

4.4

Keeps me cool and dry

4.6

Jennifer K.

Woman in green top and black pants taking a mirror selfie.

Incredibly Comfort

These are the most comfortable underwear I've ever worn. Perfect for my intense workouts. I feel fresh all day.

Verified Buyer

My experience so far

Bad

Exellent

Lorena H.

Person in gym gear taking a selfie, flexing arm in a gym with exercise equipment.

Keeps Me Dry!

I love how these stay dry even during my toughest sessions. The sweat-wicking fabric really works. Highly recommend!

Verified Buyer

My experience so far

Bad

Exellent

Maggine N.

Person wearing a black sports bra and black athletic shorts, standing in front of a green wall.

Perfect Fit!

Finally found underwear that fits perfectly. No more adjusting during workouts. These are a game changer

Verified Buyer

My experience so far

Bad

Exellent

Amy C.

Person flexing muscles in black sports clothing in front of a leafy shower curtain.

Eco-Friendly and Functional

I'm so happy these are made from recycled fabric. They perform amazingly well and are good for the planet. Win-win!


Verified Buyer

My experience so far

Bad

Exellent

Kaelin S.

Person wearing black sports bra and partially lowered beige cargo pants standing in a bedroom.

Great Support!

These provide excellent support without being too tight. Perfect for my yoga and running routines. So glad I found them!

Verified Buyer

My experience so far

Bad

Exellent

Amanda K.

Person seated in gray athletic wear indoors, with various items on a side table.

Stylish and Effective!

Not only do they look great, but they also perform exceptionally well. I love the design and the comfort they provide. A must-buy!

Verified Buyer

My experience so far

Bad

Exellent