arrow
FREE SHIPPING on all US Orders ShopShop Now.
Black Friday Preview Sale 32% OFF! ShopShop Now.
arrow

Biker Flex Black

Maggie wears a size M
Maggie wears a size M
Maggie wears a size M
Maggie wears a size M
Maggie wears a size M
Maggie wears a size M
Maggie wears a size M
Maggie wears a size M
Maggie wears a size M
Maggie wears a size M
Brigit wears a size M
Brigit wears a size M
Biker Flex Black
Maggie wears a size M Maggie wears a size M
Maggie wears a size M Maggie wears a size M
Maggie wears a size M Maggie wears a size M
Maggie wears a size M Maggie wears a size M
Maggie wears a size M Maggie wears a size M
Brigit wears a size M Brigit wears a size M
Biker Flex Black
Maggie wears a size M

Biker Flex Black

4.7
Rated 4.7 out of 5 stars
55
$42.00 | $31.42 Subscribers
size Size Guide size
Select a size
Size Guide
color Size Guide color
Select a size
Size Guide
  • Unlock Early Access

    Skip the line and enjoy exclusive perks on new releases!

  • Control Your Subscriptions

    Swap, Skip, or Cancel anytime you don’t need (or want) a new pair. With more colors to choose from – no need to pick the same pair twice.

  • Enjoy Discounted Price - Anytime

    Save up to 25% on every style when you subscribe - Including Add Ons! Get comfy in Woxer monthly, or click ship now to get your subscription faster.

Skip or cancel any time. How does it work

- +
Shipping Free Shipping & Free Returns
Save more with packs Save up to 32% with packs!
4-pack $134.40 20% off
Most Popular
6-pack $189.00 25% off
10-pack $285.60 32% off
Free Shipping & Free Returns
Become a Subscriber
for 25% off
Complete the look
Boss Flex Black
Boss Flex Black
$48.00
Color: Black
  • Select Size

Please select a size

 Size Guide
Biker Flex Motion 4-Pack
Biker Flex Motion 4-Pack
$168 $134.40
Color: Motion
  • Select Size

Please select a size

 Size Guide
product_image

Biker Flex Black

4.7
Rated 4.7 out of 5 stars
55
Color
image

Core colors Black

Size
Select Size
size size
color color
2x Softer Than Cotton
ELIMINATES WEDGIES
ELIMINATES CHAFING
ELIMINATES PANTY LINES
4-WAY STRETCH
INCLUSIVE SIZING

Details

Finally, comfortable active underwear for athletes. Biker Flex is our classic 9” inseam boxer brief in a lightweight, sweat-wicking, and supportive recycled poly fabric.

• Active underwear made for movement
• Made with recycled fabrics
• 9" inseam, our longest length
• Medium thigh compression
• Sweat-wicking and quick-drying active knit fabric
• Sleek and smooth for friction-free fit under clothing
• Organic cotton gusset for breathability and hygiene

Finally, comfortable active underwear for athletes. Biker Flex is our classic 9” inseam boxer brief in a lightweight, sweat-wicking, and supportive recycled poly fabric. 

  • Active underwear made for movement
  • 9" inseam, our longest length
  • Medium thigh compression
  • Sweat-wicking and quick-drying active knit fabric
  • Sleek and smooth for friction-free fit under clothing
  • Organic cotton gusset for breathability and hygiene
  • True to size
  • Designed for a close fit 
SIGNATURE NO-DIG WAISTBAND

SIGNATURE NO-DIG WAISTBAND

WEDGIE-FREE

WEDGIE-FREE

ANTI-CHAFING

ANTI-CHAFING

• 88% recycled polyester, 12% spandex
• Machine wash cold, tumble dry low

FLEX
material_image

88% RECYCLED POLYESTER, 12% ELASTANE

Knit from OEKO-TEX certified recycled polyester and spandex, Flex fabric is for athletes who need freedom of movement. Extremely lightweight and sweat-wicking, it feels silky smooth and friction-free under clothing. With a medium compressive fit, Flex fabric is here to empower your best performance.

Softness
Weight
Stretch
Breathability
Softness
Weight
Stretch
Breathability

88% RECYCLED POLYESTER, 12% ELASTANE

Knit from OEKO-TEX certified recycled polyester and spandex, Flex fabric is for athletes who need freedom of movement. Extremely lightweight and sweat-wicking, it feels silky smooth and friction-free under clothing. With a medium compressive fit, Flex fabric is here to empower your best performance.

Machine wash cold

tumble dry low

  • Free shipping & returns on all U.S. orders
  • Canada: Free shipping on orders over $99
  • Rest of the world: Free shipping on orders over $150

100% Love Guaranteed

Shop with full peace of mind. If it’s your first Woxer order or your first time trying a new style and you aren’t 100% in love, simply send it back to us within 180 days of delivery.

100% Love Guaranteed

Shop with full peace of mind. it’s your first Woxer order or your first time trying a new style and you aren’t 100% in love, simply send it back to us within 180 days of delivery.

image

You may also like

Ivania wears a size M
4.7
Rated 4.7 out of 5 stars
16,306
Baller Black 2.0
$33 $24.68Subscribers
+ 26
Baller Fly 5" Black
5.0
Rated 5.0 out of 5 stars
14
Baller Fly 5" Black
$36 $26.93Subscribers
+ 2
Baller Fly 7" Black
4.9
Rated 4.9 out of 5 stars
9
Baller Fly 7" Black
$39 $29.17Subscribers
+ 2
Maggie wears a size M
4.8
Rated 4.8 out of 5 stars
173
Baller Flex Black
$39 $29.17Subscribers
+ -2
Ale wears a size S
4.7
Rated 4.7 out of 5 stars
9,011
Star Black 2.0
$33 $24.68Subscribers
+ 26
Jas wears a size XL
4.7
Rated 4.7 out of 5 stars
6,506
Biker Black 2.0
$36 $26.93Subscribers
+ 28
Baller High Waisted Black 2.0
4.7
Rated 4.7 out of 5 stars
4,726
Baller High Waisted Black 2.0
$36 $26.93Subscribers
+ 28
Ash wears a size M
4.9
Rated 4.9 out of 5 stars
292
Biker High Waisted Black 2.0
$39 $29.17Subscribers
+ 13
Ivania wears a size S
4.7
Rated 4.7 out of 5 stars
553
Boss 2.0 Black 2.0
$45 $33.66Subscribers
+ 34
Boss Flex Black
4.5
Rated 4.5 out of 5 stars
126
Boss Flex Black
$48 $35.90Subscribers
+ -2
Ivania wears a size M
4.7
Rated 4.7 out of 5 stars
16,306
Baller Black 2.0
$33 $24.68Subscribers
+ 26
Baller Fly 5" Black
5.0
Rated 5.0 out of 5 stars
14
Baller Fly 5" Black
$36 $26.93Subscribers
+ 2
Baller Fly 7" Black
4.9
Rated 4.9 out of 5 stars
9
Baller Fly 7" Black
$39 $29.17Subscribers
+ 2
Maggie wears a size M
4.8
Rated 4.8 out of 5 stars
173
Baller Flex Black
$39 $29.17Subscribers
+ -2
Ale wears a size S
4.7
Rated 4.7 out of 5 stars
9,011
Star Black 2.0
$33 $24.68Subscribers
+ 26
Jas wears a size XL
4.7
Rated 4.7 out of 5 stars
6,506
Biker Black 2.0
$36 $26.93Subscribers
+ 28
Baller High Waisted Black 2.0
4.7
Rated 4.7 out of 5 stars
4,726
Baller High Waisted Black 2.0
$36 $26.93Subscribers
+ 28
Ash wears a size M
4.9
Rated 4.9 out of 5 stars
292
Biker High Waisted Black 2.0
$39 $29.17Subscribers
+ 13
Ivania wears a size S
4.7
Rated 4.7 out of 5 stars
553
Boss 2.0 Black 2.0
$45 $33.66Subscribers
+ 34
Boss Flex Black
4.5
Rated 4.5 out of 5 stars
126
Boss Flex Black
$48 $35.90Subscribers
+ -2
overlay

Trusted by 2+ milion cheeks

image
@
image
@
image
@
image
@
image
@
image
@
image
@
image
@
image
@
image
@
image
@
image
@
image
@
image
@
image
@
image
@
image
@
image
@
image
@
image
@
4.7
Rated 4.7 out of 5 stars
Based on 55 reviews
Total 5 star reviews: 44 Total 4 star reviews: 8 Total 3 star reviews: 3 Total 2 star reviews: 0 Total 1 star reviews: 0
Overall FitRated -0.1 on a scale of minus 2 to 2
Write a Review (Opens in a new window)
55 reviews
  • CM
    Catherine M.
    Verified Buyer
    Biker Flex Black
    Reviewing
    Biker Flex Black
    I recommend this product
    What size did you purchase? 3XL
    How tall are you? 5'4 - 5'6
    I love to wear my Woxers for: Casual Wear
    Rated 5 out of 5 stars
    3 minutes ago
    Happy cmaper

    The fit was good, and the material is very comfortable.

    Overall FitRated 0.0 on a scale of minus 2 to 2
    Was this helpful?
  • DC
    Dianne C.
    Verified Buyer
    Biker Flex Space Grey
    Reviewing
    Biker Flex Space Grey
    I recommend this product
    What size did you purchase? L
    How tall are you? 5'4 - 5'6
    I love to wear my Woxers for: Travel, Casual Wear, Leisure, Gym, Hiking
    Rated 5 out of 5 stars
    Yesterday
    Biker Flex

    Material is so soft and feels great against your skin.

    Overall FitRated 0.0 on a scale of minus 2 to 2
    Was this helpful?
  • TK
    Tara K.
    Verified Buyer
    Biker Flex Space Grey
    Reviewing
    Biker Flex Space Grey
    I recommend this product
    What size did you purchase? 3XL
    How tall are you? 5'4 - 5'6
    I love to wear my Woxers for: Work, Casual Wear, Leisure, Gym
    Rated 5 out of 5 stars
    1 week ago
    Great fit

    Fit great and comfortable for my morning walks!

    Overall FitRated 0.0 on a scale of minus 2 to 2
    Was this helpful?
  • JC
    Julie C.
    Verified Buyer
    Biker Flex Navy 2.0
    Reviewing
    Biker Flex Navy 2.0
    I recommend this product
    What size did you purchase? 3XL
    How tall are you? 5'10 - 6'0
    I love to wear my Woxers for: Work, Leisure, Hiking, Travel, Casual Wear
    Rated 5 out of 5 stars
    2 weeks ago
    Woxer review

    I love them!! Will be ordering more. So soft and smooth. Stay up. Way better than regular underwear!

    Overall FitRated 0.0 on a scale of minus 2 to 2
    Was this helpful?
  • EI
    Emily I.
    Verified Buyer
    Biker Flex Navy 2.0
    Reviewing
    Biker Flex Navy 2.0
    I recommend this product
    What size did you purchase? L
    How tall are you? 5'1 - 5'3
    I love to wear my Woxers for: Gym
    Rated 4 out of 5 stars
    3 weeks ago
    Love that they don't ride up during workouts.

    I love that these don't ride up during workouts. I only gave 4 stars because a higher waisted version would be appreciated. Not sure why Woxer doesn't offer this.

    Overall FitRated 0.0 on a scale of minus 2 to 2
    Was this helpful?
Reviews LoadedReviews Added

JUST DROPPED

Angelica wears a size S
4.7
Rated 4.7 out of 5 stars
16,306
Baller Cyber 2.0
$33 $24.68Subscribers
+ 26
Baller Cyber Sleigh 4-Pack
4.8
Rated 4.8 out of 5 stars
1,148
Baller Cyber Sleigh 4-Pack
$132 $117.48
+ 42
Angelica wears a size S
4.7
Rated 4.7 out of 5 stars
16,306
Baller Digital Dark Plaid
$33 $24.68Subscribers
+ 26
Baller Tinsel 4-Pack
4.8
Rated 4.8 out of 5 stars
1,148
Baller Tinsel 4-Pack
$132 $117.48
+ 42
Yevi wears a size M
4.7
Rated 4.7 out of 5 stars
9,011
Star Digital Dark Plaid
$33 $24.68Subscribers
+ 26
Star Lunar 4-Pack
4.9
Rated 4.9 out of 5 stars
497
Star Lunar 4-Pack
$132 $117.48
+ 42
Samantha wears a size L
4.7
Rated 4.7 out of 5 stars
6,506
Biker Coal Plaid
$36 $26.93Subscribers
+ 28
Biker Nightsky 4-Pack
4.8
Rated 4.8 out of 5 stars
323
Biker Nightsky 4-Pack
$144 $128.16
+ 42
Yevi wears a size M
4.7
Rated 4.7 out of 5 stars
4,726
Baller High Waisted Cyber 2.0
$36 $26.93Subscribers
+ 28
Baller High Waisted Cyber Sleigh 4-Pack
4.8
Rated 4.8 out of 5 stars
324
Baller High Waisted Cyber Sleigh 4-Pack
$144 $128.16
+ 42
Samantha wears a size L
4.7
Rated 4.7 out of 5 stars
553
Boss 2.0 Cyber 2.0
$45 $33.66Subscribers
+ 34
Boss 2.0 Tinsel 4-Pack
4.8
Rated 4.8 out of 5 stars
78
Boss 2.0 Tinsel 4-Pack
$180 $160.20
Yevi wears a size M
4.8
Rated 4.8 out of 5 stars
2,121
Bold Cyber
$33 $24.68Subscribers
+ 15
Bold Twinkle 4-Pack
4.9
Rated 4.9 out of 5 stars
123
Bold Twinkle 4-Pack
$132 $117.48
+ 42
Yevi wears a size M
4.9
Rated 4.9 out of 5 stars
1,082
Bikini Cyber
$30 $22.44Subscribers
+ 24
Bikini Glisten 4-Pack
4.9
Rated 4.9 out of 5 stars
104
Bikini Glisten 4-Pack
$120 $106.80
+ 42
Angelica wears a size S
4.7
Rated 4.7 out of 5 stars
16,306
Baller Cyber 2.0
$33 $24.68Subscribers
+ 26
Baller Cyber Sleigh 4-Pack
4.8
Rated 4.8 out of 5 stars
1,148
Baller Cyber Sleigh 4-Pack
$132 $117.48
+ 42
Angelica wears a size S
4.7
Rated 4.7 out of 5 stars
16,306
Baller Digital Dark Plaid
$33 $24.68Subscribers
+ 26
Baller Tinsel 4-Pack
4.8
Rated 4.8 out of 5 stars
1,148
Baller Tinsel 4-Pack
$132 $117.48
+ 42
Yevi wears a size M
4.7
Rated 4.7 out of 5 stars
9,011
Star Digital Dark Plaid
$33 $24.68Subscribers
+ 26
Star Lunar 4-Pack
4.9
Rated 4.9 out of 5 stars
497
Star Lunar 4-Pack
$132 $117.48
+ 42
Samantha wears a size L
4.7
Rated 4.7 out of 5 stars
6,506
Biker Coal Plaid
$36 $26.93Subscribers
+ 28
Biker Nightsky 4-Pack
4.8
Rated 4.8 out of 5 stars
323
Biker Nightsky 4-Pack
$144 $128.16
+ 42
Yevi wears a size M
4.7
Rated 4.7 out of 5 stars
4,726
Baller High Waisted Cyber 2.0
$36 $26.93Subscribers
+ 28
Baller High Waisted Cyber Sleigh 4-Pack
4.8
Rated 4.8 out of 5 stars
324
Baller High Waisted Cyber Sleigh 4-Pack
$144 $128.16
+ 42
Samantha wears a size L
4.7
Rated 4.7 out of 5 stars
553
Boss 2.0 Cyber 2.0
$45 $33.66Subscribers
+ 34
Boss 2.0 Tinsel 4-Pack
4.8
Rated 4.8 out of 5 stars
78
Boss 2.0 Tinsel 4-Pack
$180 $160.20
Yevi wears a size M
4.8
Rated 4.8 out of 5 stars
2,121
Bold Cyber
$33 $24.68Subscribers
+ 15
Bold Twinkle 4-Pack
4.9
Rated 4.9 out of 5 stars
123
Bold Twinkle 4-Pack
$132 $117.48
+ 42
Yevi wears a size M
4.9
Rated 4.9 out of 5 stars
1,082
Bikini Cyber
$30 $22.44Subscribers
+ 24
Bikini Glisten 4-Pack
4.9
Rated 4.9 out of 5 stars
104
Bikini Glisten 4-Pack
$120 $106.80
+ 42
overlay