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Biker Flex Black

147 Reviews

9" sweat-wicking active boxer brief
9" active boxer brief
$56.00 $28.00 50% OFF $28.00 | $23.80 15% OFF 3+15% OFF 3+
Mix & Match: 3+ For $23.80 Each
15% OFF 3+
$28.00 % off
Biker Flex Black
Biker Flex Black
Biker Flex Black
Biker Flex Black
Biker Flex Black
Biker Flex Black
Biker Flex Black
Biker Flex Black
Biker Flex Black
Biker Flex Black
Biker Flex Black
Biker Flex Black
Home / All Underwear / Biker Flex

Biker Flex Black

147 Reviews

9" sweat-wicking active boxer brief
$56.00 $28.00 50% OFF $28.00 | $23.80 15% OFF 3+15% OFF 3+
Mix & Match: 3+ For $23.80 Each
15% OFF 3+
$28.00 % off
Singles $28.00
Packs Save up to 28%
Bundle & Save - 3 for $69
black

LIMITED COLORS

CORE COLORS black

size Size Guide size
color Size Guide color
Save up to 30% with packs!
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for 25% off
Biker Flex -
$28.00
or 4 interest-free payments of $7.00
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Estimated Delivery: Oct 30 - Nov 2
Shipping Free Shipping & Free Returns
Free US Shipping & Free Returns
45 Days Love Guarantee
2x Softer Than Cotton
ELIMINATES WEDGIES
ELIMINATES CHAFING
ELIMINATES PANTY LINES
4-WAY STRETCH
INCLUSIVE SIZING

Details

No-dig waistband No-dig waistband

No-dig waistband

Wedgie free No-dig waistband

Wedgie free

Anti chafing No-dig waistband

Anti chafing

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
No-dig waistband No-dig waistband

No-dig waistband

Wedgie free No-dig waistband

Wedgie free

Anti chafing No-dig waistband

Anti chafing

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
Flex Active
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.
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Complete the look
Boss Flex Black
Boss Flex Black
$68.00 $34.00 50% OFF $34.00 | $28.90 15% OFF 3+15% OFF 3+
Mix & Match: 3+ For $28.90 Each
$34.00 % off
Any 3+ 15% OFF 3+
Color: Black
  • Select Size

Please select a size

 Size Guide
Biker Flex Space Grey 3-Pack
Biker Flex Space Grey 3-Pack
$84.00 $71.40 15% OFF
3 For $23.80 Each
$84.00 $71.40 15% off
Color: Space Grey
  • Select Size

Please select a size

 Size Guide
overlay

100% Love Guarantee

We are confident that you will fall in love with your Woxer, but if you are not completely satisfied return it risk free within 45 days!

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 45 days of delivery.

Complete the Look

Styled With
Angelica wears a size S
Boss Flex
$34.00
$68.00 $34.00 50% OFF $34.00 | $28.90 15% OFF 3+15% OFF 3+
Mix & Match: 3+ For $28.90 Each
$34.00 % off
4.6
Rated 4.6 out of 5 stars
290
Boss Flex Black

Active sports bra

$34 $25.43Subscribers
Biker Black
Biker
$26.00
$52.00 $26.00 50% OFF $26.00 | $22.10 15% OFF 3+15% OFF 3+
Mix & Match: 3+ For $22.10 Each
$26.00 % off
4.8
Rated 4.8 out of 5 stars
7,622
Biker Black

9" modal boxer brief

$26 $19.45Subscribers
+14
Biker Black
Biker
$26.00
$52.00 $26.00 50% OFF $26.00 | $22.10 15% OFF 3+15% OFF 3+
Mix & Match: 3+ For $22.10 Each
$26.00 % off
4.8
Rated 4.8 out of 5 stars
7,622
Biker Black

9" modal boxer brief

$26 $19.45Subscribers
+14
Dayana wears a size S
Icon 2.0
$32.00
$64.00 $32.00 50% OFF $32.00 | $27.20 15% OFF 3+15% OFF 3+
Mix & Match: 3+ For $27.20 Each
$32.00 % off
4.8
Rated 4.8 out of 5 stars
360
Icon 2.0 Black 2.0

Modal slim racerback bra

$32 $23.94Subscribers

More in this color

$48.00 $24.00 50% OFF $24.00 | $20.40 15% OFF 3+15% OFF 3+
Mix & Match: 3+ For $20.40 Each
15% OFF 3+
$24.00 % off
Baller Black
4.8
Rated 4.8 out of 5 stars
19,177
Baller Black

5" modal boxer brief

$24 $17.95Subscribers
$48.00 $24.00 50% OFF $24.00 | $20.40 15% OFF 3+15% OFF 3+
Mix & Match: 3+ For $20.40 Each
$24.00 % off
+19
$48.00 $24.00 50% OFF $24.00 | $20.40 15% OFF 3+15% OFF 3+
Mix & Match: 3+ For $20.40 Each
15% OFF 3+
$24.00 % off
Sam wears a size M
4.8
Rated 4.8 out of 5 stars
10,934
Star Black

3" modal boxer brief

$24 $17.95Subscribers
$48.00 $24.00 50% OFF $24.00 | $20.40 15% OFF 3+15% OFF 3+
Mix & Match: 3+ For $20.40 Each
$24.00 % off
+18
$68.00 $34.00 50% OFF $34.00 | $28.90 15% OFF 3+15% OFF 3+
Mix & Match: 3+ For $28.90 Each
15% OFF 3+
$34.00 % off
Angelica wears a size S
4.6
Rated 4.6 out of 5 stars
290
Boss Flex Black

Active sports bra

$34 $25.43Subscribers
$68.00 $34.00 50% OFF $34.00 | $28.90 15% OFF 3+15% OFF 3+
Mix & Match: 3+ For $28.90 Each
$34.00 % off
$56.00 $28.00 50% OFF $28.00 | $23.80 15% OFF 3+15% OFF 3+
Mix & Match: 3+ For $23.80 Each
15% OFF 3+
$28.00 % off
Baller Flex Black
4.9
Rated 4.9 out of 5 stars
407
Baller Flex Black

5" active boxer brief

$28 $20.94Subscribers
$56.00 $28.00 50% OFF $28.00 | $23.80 15% OFF 3+15% OFF 3+
Mix & Match: 3+ For $23.80 Each
$28.00 % off
$52.00 $26.00 50% OFF $26.00 | $22.10 15% OFF 3+15% OFF 3+
Mix & Match: 3+ For $22.10 Each
15% OFF 3+
$26.00 % off
Biker Black
4.8
Rated 4.8 out of 5 stars
7,622
Biker Black

9" modal boxer brief

$26 $19.45Subscribers
$52.00 $26.00 50% OFF $26.00 | $22.10 15% OFF 3+15% OFF 3+
Mix & Match: 3+ For $22.10 Each
$26.00 % off
+14
$48.00 $24.00 50% OFF $24.00 | $20.40 15% OFF 3+15% OFF 3+
Mix & Match: 3+ For $20.40 Each
15% OFF 3+
$24.00 % off
Angelica wears a size M
4.8
Rated 4.8 out of 5 stars
317
Baller Rib Black

5" pima cotton boxer

$24 $17.95Subscribers
$48.00 $24.00 50% OFF $24.00 | $20.40 15% OFF 3+15% OFF 3+
Mix & Match: 3+ For $20.40 Each
$24.00 % off
$52.00 $26.00 50% OFF $26.00 | $22.10 15% OFF 3+15% OFF 3+
Mix & Match: 3+ For $22.10 Each
15% OFF 3+
$26.00 % off
Baller High Waisted Black
4.8
Rated 4.8 out of 5 stars
5,658
Baller High Waisted Black

5" modal boxer brief

$26 $19.45Subscribers
$52.00 $26.00 50% OFF $26.00 | $22.10 15% OFF 3+15% OFF 3+
Mix & Match: 3+ For $22.10 Each
$26.00 % off
+17
$56.00 $28.00 50% OFF $28.00 | $23.80 15% OFF 3+15% OFF 3+
Mix & Match: 3+ For $23.80 Each
15% OFF 3+
$28.00 % off
Rib Tank Black
4.8
Rated 4.8 out of 5 stars
303
Rib Tank Black
$28 $20.94Subscribers
$56.00 $28.00 50% OFF $28.00 | $23.80 15% OFF 3+15% OFF 3+
Mix & Match: 3+ For $23.80 Each
$28.00 % off
$48.00 $24.00 50% OFF $24.00 | $20.40 15% OFF 3+15% OFF 3+
Mix & Match: 3+ For $20.40 Each
15% OFF 3+
$24.00 % off
Sam wears a size M
4.8
Rated 4.8 out of 5 stars
2,633
Bold Black

Modal boyshorts

$24 $17.95Subscribers
$48.00 $24.00 50% OFF $24.00 | $20.40 15% OFF 3+15% OFF 3+
Mix & Match: 3+ For $20.40 Each
$24.00 % off
+9
$56.00 $28.00 50% OFF $28.00 | $23.80 15% OFF 3+15% OFF 3+
Mix & Match: 3+ For $23.80 Each
15% OFF 3+
$28.00 % off
Kaytie wears a size S
4.9
Rated 4.9 out of 5 stars
199
Baller Luxe Black

5" luxe boxer briefs

$28 $20.94Subscribers
$56.00 $28.00 50% OFF $28.00 | $23.80 15% OFF 3+15% OFF 3+
Mix & Match: 3+ For $23.80 Each
$28.00 % off

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4.8
Rated 4.8 out of 5 stars
Based on 147 reviews
Total 5 star reviews: 128 Total 4 star reviews: 13 Total 3 star reviews: 3 Total 2 star reviews: 1 Total 1 star reviews: 2
Overall FitRated -0.0 on a scale of minus 2 to 2
Reviews Summary
Customers say these biker shorts are extremely comfortable, soft, and stay in place without riding up. Many reviews mention their excellent performance during workouts, long work days, and active pursuits. The breathable material moves well with the body and doesn't require constant adjusting. Some note the waistband can loosen throughout the day.
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147 reviews
  • AC
    Ana C.
    Verified Buyer
    Reviewing
    Biker Flex Chroma Blue
    I recommend this product
    What size did you purchase? XL
    How tall are you? 5'4 - 5'6
    I love to wear my Woxers for: Work, Casual Wear, Travel, Leisure, Gym
    Rated 5 out of 5 stars
    3 minutes ago
    Best underwear I've ever worn

    From the first piece until now, I have never been disappointed.

    Overall FitRated 0.0 on a scale of minus 2 to 2
    Was this helpful?
  • MM
    Misty M. M. M.
    Verified Buyer
    Reviewing
    Biker Flex Chroma Blue
    I recommend this product
    What size did you purchase? XL
    How tall are you? 5'4 - 5'6
    I love to wear my Woxers for: Work, Travel, Casual Wear, Leisure, Gym
    Rated 5 out of 5 stars
    Yesterday
    Biker flexChroma blue

    My faves as always!!! Beautiful color!!! Perfect for any occasion

    Overall FitRated 0.0 on a scale of minus 2 to 2
    Was this helpful?
  • JH
    Jennifer H.
    Verified Buyer
    Reviewing
    Biker Flex Shapeshift
    I recommend this product
    What size did you purchase? M
    How tall are you? 5'4 - 5'6
    I love to wear my Woxers for: Work, Hiking, Casual Wear, Leisure, Travel
    Rated 5 out of 5 stars
    4 days ago
    Love these!

    I’m obsessed with this fabric. So comfy and doesn’t stretch out like the other materials seem to do over time. My only complaint is the limited colors and designs. I wish there was more variety and they could be represented at least once when the new drops happen. Otherwise…I love these so much!

    Overall FitRated 0.0 on a scale of minus 2 to 2
    Was this helpful?
  • ER
    Emily R.
    Verified Buyer
    Reviewing
    Biker Flex Navy 2.0
    I recommend this product
    What size did you purchase? XL
    How tall are you? 5'7 - 5'9
    I love to wear my Woxers for: Work
    Rated 5 out of 5 stars
    5 days ago
    Perfect for a long shift

    Doesn’t tide up, doesn’t slip down, keeps work pants from biting where they shouldn’t.

    Overall FitRated 0.0 on a scale of minus 2 to 2
    Was this helpful?
  • MT
    Megan T.
    Verified Buyer
    Reviewing
    Biker Flex Black
    I recommend this product
    What size did you purchase? 2XL
    How tall are you? 5'4 - 5'6
    I love to wear my Woxers for: Casual Wear, Gym, Work, Travel, Leisure
    Rated 5 out of 5 stars
    6 days ago
    Finally

    I have found the perfect fit. Now I can play pickleball and not worry about my boxer briefs rolling up or down. They stayed in place the whole time without fuss. I’m about to go buy a 7-pack.

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