PRO BOXER BRIEF: BLACK
PRO BOXER BRIEF: BLACK
PRO BOXER BRIEF: BLACK
PRO BOXER BRIEF: BLACK
PRO BOXER BRIEF: BLACK
PRO BOXER BRIEF: BLACK
PRO BOXER BRIEF: BLACK
PRO BOXER BRIEF: BLACK
PRO BOXER BRIEF: BLACK
PRO BOXER BRIEF: BLACK
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PRO BOXER BRIEF: BLACK

Moisture-wicking mesh, offering breathable, anti-odor support.

$35.00 USD

Size:

Size Guide

  • XXS 26″-28″
    66-71cm
  • XS 28″-30″
    71-76cm 
  • S 30″-32″
    76-81cm
  • M 32″-34″
    81-86cm
  • L 34″-36″
    86-91cm
  • XL 37″-40″
    94-101cm
  • XXL 41″-44″
    104-112cm

For underwear, if you are between sizes we recommend choosing the smaller of the two. EG: If you're a 34" waist, go with a Medium.

Boxer Brief

6.5″ / 16.5cm Leg Inseam

Available in the Classic, Classic with Fly, Pro Ionic+™, Infinite Ionic+™, Hero Knit, Entourage, Merino Wool, North Shore Chamois, Hockey Jock

Shop Boxer Briefs

Trunk

3.5″ / 9cm Leg Inseam

Available in the Classic, Classic with Fly, Pro Ionic+™

Shop Trunks

Brief

0″ / 0cm Leg Inseam

Available in the Classic

Shop Briefs

Full Length

29″ / 73.5cm Leg Inseam

Available in the Classic, Pro Ionic+™, Merino Wool and Hockey Jock

Shop Full Lengths
  • XXS 26″-28″
    66-71cm
  • XS 28″-30″
    71-76cm 
  • S 30″-32″
    76-81cm
  • M 32″-34″
    81-86cm
  • L 34″-36″
    86-91cm
  • XL 37″-40″
    94-101cm
  • XXL 41″-44″
    104-112cm

For bottoms, if you are between sizes we recommend choosing the larger of the two. EG: If you're a 32" waist, go with a Medium.

PJ Long

30″ / 76cm Leg Inseam


Shop PJ Long

PJ Short

10″ / 25.5cm Leg Inseam


Shop PJ Short

Joggers

30″ / 76cm Leg Inseam


Shop Joggers

Crew Tee

21″ / 53.5cm Chest

32″ / 81cm Length


Shop Tees

Merino Henley

19.5″ / 49.5cm Chest

29″ / 74cm Length


Shop Merino

Color: 1 Color


The Pro is engineered to move with minimal friction and complete comfort. These Boxer Briefs feature The Original 3D Pouch to ensure everything is separated and supported so you can always put your best foot forward.

The fabric is a breathable, moisture-wicking polyester blend mesh featuring Ionic+® anti-odor technology that does not wash out.

Fabric: 89% Recycled Polyester, 11% Spandex

MyPakage Pouch Technology™
Breathable mesh
Friction-free smooth finish
Ionic+® anti-odor tech
Premium no-roll waistband
Chafe-free flatlock stitching

Model shown is 6’0” tall, 175lbs, has a 32” waist and is wearing size medium.

This 6.5" inseam Boxer Brief has a secure feeling fit.

View Size Guide

All BN3TH fabrics are soft and made from a performance stretch fabric. If your measurements are between sizes, select a larger size for a looser fit or a smaller size for a tighter fit.

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Standard Shipping is free for all orders, no minimums. Use code FR33SHIP at checkout (cannot be combined with other offers or codes)

Any non-sale item purchased between December 1, 2023 and December 25, 2023 can be returned or exchanged by January 31st, 2024.

All available shipping options will be visible at checkout. We ship orders within 1-2 business days, but this can increase during promotional periods. Sale items are final sale and cannot be returned for a refund or exchange. For more information, check out our Frequently Asked Questions page.

ENGINEERED COMFORT

WHY WE MADE THIS

The most high-performance, lightweight fabric in our line. The Pro is all about keeping the sweat wicked, your form tight and the body feeling fresh. So go run, lift, climb, play…the Pro can tackle any workout without holding you back. And with Ionic+® anti-odor technology, you can focus on what matters most.

SUSTAINABILITY MATTERS

These are GRS certified and made entirely of post-consumer recycled Polyester and Spandex. Even the waistband is made from recycled elastic.
OKEO-TEX™ guarantees that our end products are tested and proven free from harmful toxic chemicals.