Mens Baselayers

Enjoy comfort & performance with Acclimate Wool...the best of the natural fibers for thermal warmth and comfort are combined with acclimate dry...

Polarmax Mens 4Way Stretch Crew Shirt Winter sports demand that you move, and your base layer moves with you with our 4WAY Stretch fabrics - 92%...

Enjoy comfort & performance with Acclimate Wool...the best of the natural fibers for thermal warmth and comfort are combined with acclimate dry...

We've updated our Men's Merino 250 Base Layer Bottom to bring you a better fitting, more functional tight. The technical benefits of 100% Merino wo...

Our Merino 150 Base Layer Bottoms work hard year-round to keep you comfortable everywhere from the slopes to your campsite. Our ultra-smooth Merino...

Spring skiing or summer camping? The year-round Merino 150 base layer long sleeve is game for either thanks to the body temp regulating and no-stin...

We've updated the fit of our Men's Merino 250 Base Layer 1/4 Zip to improve functionality while also enhancing aesthetics. As one of our heaviest b...

Meet the better-than-ever Men's Merino 250 Base Layer Crew. We've updated this 100% Merino wool fan-favorite with new colors and a new fit to impro...

The most versatile polyester baselayer with the greatest comfort range. Who needs coffee for a wake-up jolt when you’re facing the first pitch of ...

Formfitting, lightweight, quick-drying boxer briefs underwear made of a recycled polyester double-knit rib for softness and stretch. You'll enco...

Our most versatile baselayer: warm, breathable, quick-drying and with HeiQ® Fresh durable odor control for daily use. The Capilene® Midweight Botto...

Polarmax Men's Mountain Skins Tight. Technical face combines with a thick fleece on the inside for great fit, performance and comfortably warm. ...

Polarmax Mens Mountain Skins Zip Top. Simply our best high performance base layer --- 90% acclimate dry polyester and 10% spandex. Technical fac...

The Quattro Fleece Men's Crew in Black collection consists of the highest quality fabric in Acclimate® Dry performance fleece using a brushed micro...

The Quattro Fleece Men's Tight in Black collection consists of the highest quality fabric in Acclimate® Dry performance fleece using a brushed micr...

The Quattro Fleece Men's Zip Mock in Black collection consists of the highest quality fabric in Acclimate® Dry performance fleece using a brushed m...

PolarMax Double Layer Crew Mens. Pulls sweat away from your body. Dries faster than other base layers. Keeps you drier and more comfortable. Wear ...

Pulls sweat away from your body. Dries faster than other base layers. Keeps you drier and more comfortable. Wear alone in cool weather. Wear as a b...

Polarmax All Year Gear offers casual base layers for everyday wear. Enjoy a relaxed fit, comfort strech, dry moisture wicking with comfortable flat...

A midweight version of our best-selling Oasis that’s ideal for skiing, hiking in cold conditions, and everyday winter layering, the Tech Top Long S...

Terramar 1.0 Transport Pants Mens Black Terramar Men’s Transport® +1.0 Pants are fast drying and highly breathable so you will stay warm and comf...

Cloud Nine is the Terramar product where form perfectly meets function. The midweight fabric is ultra-soft and features ClimaSense Thermoregulation...

The Terramar Men's Fleece Expedition Weight Pants, with ec2® Qwik-Dri™ Thermoregulation Comfort Technology, are an ideal baselayer choice for those...

Authentic Thermal is the workhorse of the Terrarmar men’s line. This soft versatile top will protect you while skiing on a cold winters day or keep...