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. That's where the Men's Give-N-Go 2.0 Brief comes in. Now up to 4 times more breathable, 50% more...

Our most versatile baselayer: warm, breathable, quick-drying and with HeiQ® Fresh durable odor control for daily use. The Capilene® Midweight Crew hits the sweet spot between weight, breathability and wicking performance so you can wear this piece alone...

Soft, stretchy, breathable and compressible, Capilene® Thermal Weight is made of Polartec® Power Grid® fabric with a smooth face that glides beneath layers and a brushed-fleece interior to warm your core, wick moisture and feel smooth against your skin...

Take comfort wherever you go when you throw on our Men's Merino Sport 150 Flag Logo Tee. Its relaxed fit gives you room to move, while still bringing the breathability and comfort of wearing Merino next to skin. We offset the shoulder and side seams to...

From trekking across Thailand to traversing the toughest stretches of Baja, we've spent over 20 years perfecting the art of adventure-and underwear. That's where the Men's Give-N-Go 2.0 Brief comes in. Now up to 4 times more breathable, 50% more...

Soft, stretchy, breathable and compressible, Capilene® Thermal Weight is made of Polartec® Power Grid® fabric with a smooth face that glides beneath layers and a brushed-fleece interior to warm your core, wick moisture and feel smooth against...

Our Men's Merino Sport 150 Boxer Briefs are designed to perform no matter the trail/road/adventure you're on. They feature a double front panel designed to provide extra support, a flatlock seam construction designed to eliminate chafing, and a wide...

Spring skiing or summer camping? The Merino 150 Base Layer Long Sleeve is designed for both due to the versatility and temperature regulating properties of our Merino fabric. We use raglan sleeves that eliminate shoulder seems, smooth flatlock seams to...

Our best-selling and warmest base layer just got better. It now uses a chafe-free seam construction that's perfect for a pack will keep you going farther. And farther. And farther.

From trekking across Thailand to traversing the toughest stretches of Baja, we've spent over 20 years perfecting the art of adventure-and underwear. That's where the reversible Women's Give-N-Go 2.0 Bralette comes in. Now up to 4 times more breathable,...

Our most versatile baselayer: warm, breathable, quick-drying and with HeiQ® Fresh durable odor control for daily use. The Capilene® Midweight Zip-Neck hits the sweet spot between weight, breathability and wicking performance so you can wear this...

From trekking across Thailand to traversing the toughest stretches of Baja, we've spent over 20 years perfecting the art of adventure-and underwear. That's where the Men's Give-N-Go 2.0 Brief comes in. Now up to 4 times more breathable, 50% more...

From trekking across Thailand to traversing the toughest stretches of Baja, we've spent over 20 years perfecting the art of adventure-and underwear. That's where the reversible Women's Give-N-Go 2.0 Bralette comes in. Now up to 4 times more breathable,...

Join the thousands of people who have discovered the ExOfficio travel underwear revolution. Just toss your Give-N-Go's in the laundry or wash them in a sink. Within hours you will have a fresh, dry pair of underwear. Breathable, lightweight, odor...

Lightweight and breathable with just the right amount of stretch. Quick-dry and antimicrobial, this boxer brief includes the signature MK inseam action gusset and a brushed elastic waistband for extra comfort.

When you're out exploring in the Merino 250 Zip Base Layer, nothing's impossible. With next-to-skin Merino, it helps wicks the sweat away and regulates core temperatures. You can sport it as a solo piece or smartly layer up when it gets chilly. It's slim...

Our Men's Merino 150 Boxer takes all of the tech you love from our boxer briefs—lightweight, breathable, anti-stink Merino—and adds a looser fit. Plus, with a fully functional fly and a wide, Merino-lined elastic waistband, you'll experience maximum...