Men's Underwear

The Katmai is our Expedition weight bottoms, made with 100% fine Merino Wool. You will barely notice these long johns as they are snug fitting and ...

Your favorite Boxer Brief  with a functional fly. You'll love this. The ultimate in a Boxer Brief. No side seams and about a 3 inch inseam. Gusset ...

100% Cotton Thermals Smooth 1×1 rib knit Full cut one-piece for comfort Full button front with one-button vertical flap seat Rated for cold tempera...

These 5" Basic Poly/Cotton Boxer Briefs combine the mobility of Rugged Flex with the comfort of a cotton/poly blend. Available in 2-packs, for twic...

From trekking across Thailand to traversing the toughest stretches of Baja, we've spent over 20 years perfecting the art of adventure—and underwear...

From trekking across Thailand to traversing the toughest stretches of Baja, we've spent over 20 years perfecting the art of adventure—and underwear...

These 5" Basic Poly/Cotton Boxer Briefs combine the mobility of Rugged Flex with the comfort of a cotton/poly blend. Available in 2-packs, for twic...

Built with sweat-wicking FastDry technology and stretchable Rugged Flex fabric, our 5" Tech Boxer Briefs work hard to keep you dry, comfortable, an...

17 countries. 6 weeks. One pair of award-winning underwear. (Ok, maybe two.) Join the thousands of people who have discovered the ExOfficio travel ...

The Katmai is our Expedition weight bottoms, made with 100% fine Merino Wool. You will barely notice these long johns as they are snug fitting and ...

17 countries. 6 weeks. One pair of award-winning underwear. (Ok, maybe two.)Join the thousands of people who have discovered the ExOfficio travel u...

17 countries. 6 weeks. One pair of award-winning underwear. (Ok, maybe two.) Join the thousands of people who have discovered the ExOfficio travel ...