Base Layer - Tops

Our new and improved Women's Merino 250 Base Layer 1/4 Zip is here to bring you a better feeling, better performing, and better-looking garment. As...

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...

The weather may be cold outside, but you don't let that keep you from getting out and working hard. And if you're looking for a trustworthy compani...

We designed Capilene Cool Trail, our softest performance knit, to keep you cool and dry when you're active, while providing day-long, next-to-skin ...

Capilene Air is the most advanced baselayer we've ever made. It has the greatest range of warmth and comfort of any of our baselayers, insulates ev...

Our best selling and warmest baselayer just got a little more refined with an improved fit, chafe-free seam construction and panels that offer more...

We designed Capilene Cool Trail, our softest performance knit, to keep you cool and dry when you're active, while providing day-long, next-to-skin ...

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

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

Soft, quick-drying and stretchy, the Capilene Cool Daily is our most versatile performance knit for whatever you have planned. Whether you're runni...

An all-season favorite, wear the Merino 150 Long Sleeve as a baselayer in fall or as a single layer when summer backpacking calls. Featuring Core S...

An all-season favorite, wear the Merino 150 Long Sleeve as a baselayer in fall or as a single layer when summer backpacking calls. Featuring Core S...

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

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

Not much can compete with your basic baselayer-which is why this sweat-wicking, lightweight pullover is back. A jacquard panel across the back and ...