Men's Underwear

Over forty years ago Terramar was the first company to introduce pure silk performance base layer products. Today, Thermasilk is still the standard...

The KÜHL BOXER BRIEF with ADVENTURE MESH™ fabric is designed to keep you cool and comfortable. The custom, microfiber waistband eliminates stitchin...

Our favorite for going deep into red rock country when daytime temperatures require wicking and nighttime calls for baselayer insulation. Capilene®...

We named them “Daily,” but they’re so comfortable you’ll probably end up wearing these boxer briefs through the night. Made from Capilene® Daily fa...

Capilene® Lightweight Bottoms weigh next to nothing in your pack but when the sun drops behind the South Rim and the desert air cools as though it’...