CLASSIC TRUNK: BLACK/CAMO 2 PACK
CLASSIC TRUNK: BLACK/CAMO 2 PACK
CLASSIC TRUNK: BLACK/CAMO 2 PACK
CLASSIC TRUNK: BLACK/CAMO 2 PACK
CLASSIC TRUNK: BLACK/CAMO 2 PACK
CLASSIC TRUNK: BLACK/CAMO 2 PACK
CLASSIC TRUNK: BLACK/CAMO 2 PACK
CLASSIC TRUNK: BLACK/CAMO 2 PACK
CLASSIC TRUNK: BLACK/CAMO 2 PACK
CLASSIC TRUNK: BLACK/CAMO 2 PACK
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CLASSIC TRUNK: BLACK/CAMO 2 PACK

Ultra-soft, naturally-breathable everyday comfort.

$54.00 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



Multi-packs
CLASSIC TRUNK: BLACK 2 PACK
CLASSIC TRUNK: BLACK 2 PACK
Ultra-soft, naturally-breathable everyday comfort.
CLASSIC TRUNK: BLACK/CAMO 2 PACK
CLASSIC TRUNK: BLACK/CAMO 2 PACK
Ultra-soft, naturally-breathable everyday comfort.
CLASSIC TRUNK: BLACK/NAVY 2 PACK
CLASSIC TRUNK: BLACK/NAVY 2 PACK
Ultra-soft, naturally-breathable everyday comfort.
CLASSIC TRUNK: PINE/COVERT CAMO 2 PACK
CLASSIC TRUNK: PINE/COVERT CAMO 2 PACK
Ultra-soft, naturally-breathable everyday comfort.

These luxury Trunks feature an ultra-soft, breathable, lightweight TENCEL™ Modal that is sustainably sourced, guaranteed to stay smooth and keep you comfortably supported at all times.

The Original 3D Pouch lifts and supports everything, eliminating the need to shift or adjust.

Fabric: 95% TENCEL™ Modal, 5% Spandex

MyPakage Pouch Technology™
Chafe-free flatlock stitching
Premium no-roll waistband
Cloud-like breathability
Ultra-soft, smooth feel
TENCEL™ Modal is sustainably-sourced

Model shown is 6’1" tall, 185lbs, has a 32” waist and is wearing size medium.

This 3.5" inseam Trunk has a free 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

Our Classic Collection pairs ultra-soft comfort with fabric made from naturally-breathable TENCEL™ Modal fibers and The Original 3D Pouch for unrivalled support all day, every day.

SUSTAINABILITY MATTERS

These are made from sustainabily-sourced TENCEL™ Modal fibers. As a renewable resource, birch trees are consciously farmed and turned into fiber.
OKEO-TEX™ guarantees that our end products are tested and proven free from harmful toxic chemicals.
The waistband is GRS-certified, as the elastic comes from post-consumer recycled Polyester.
An accreditation with Canopy ensures these cellulose fabrics aren't being produced at the expense of ancient and endangered forests, nor impact the species that inhabit them.