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Men's Trino® Boxer Brief - True Black

Regular price $34.00
Regular price Sale price $34.00

Men's Trino® Boxer Brief - True Black
Men's Trino® Boxer Brief - True Black
Men's Trino® Boxer Brief - True Black
Men's Trino® Boxer Brief - True Black

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Allbirds Size Chart

Allbirds products fit true to size for most customers. Here's how you find your measurements:

  • For your waist, measure around your natural waistline.



US Size Waist, IN Waist, CM
S 28-30 70-75
M 32-34 80-85
L 36-38 90-95
XL 40-42 100-105
XXL 44-46 112-117

Free shipping on orders over $50. Free returns.

Trino® Boxer Brief Highlights

  • Soft And Breezy Trino®
  • Hugs Just The Right Amount
  • 5.5" Inseam With A Fly


Crafted with breathable natural materials, our boxer brief features silky-soft seams, a secure fit waistband, and just the right amount of hug for a carefree fit. Made in Vietnam.

Boxer Briefs are made of 65%  TENCEL™ Lyocell, 28% Merino Wool, and 7% Spandex.

Core Features

  • Renewable Materials
  • Silky-Smooth Fit
  • Minimizes Odor
  • Wicks Moisture


Our Trino® Boxer Brief has a carbon footprint of 3.26kg CO2e.

As a carbon neutral business certified by Climate Neutral, we balance our emissions by funding high impact carbon projects.

Care Guide

  • 1. Machine wash on cold using mild detergent.
  • 2. Tumble dry low. Or, to minimize your carbon footprint & maximize your product’s lifetime, air dry.

Do not iron, bleach, or dry clean.

Shipping & Returns

Free shipping on orders over $50. No questions asked return policy for unworn underwear in their original packaging.

Our Breezy Super-Yarn

We combined eucalyptus fiber and merino to invent a soft, moisture wicking material your private parts and the planet will love.

Next-To-Skin Comfort

Crafted with premium natural materials, our silky-smooth underwear stays so dry and fresh throughout the day, it's like going au naturel.

New Possibilities
A Natural Evolution

Having come a long way with sustainable natural materials, we decided to take their soft and breezy feel to new heights.

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