Men's Base Layers

An incredibly warm merino wool base layer for the coldest months of the year, the Merino 260 Tech Long Sleeve Half Zip is a go-to piece for winter ...

An incredibly warm merino wool base layer for the coldest months of the year, the Merino 260 Vertex Long Sleeve Crewe Snow Guide is a go-to piece f...

A midweight merino wool base layer top designed to help regulate temperature during high-intensity activity, the Merino 200 ZoneKnit™ Long Sleeve H...

The benchmark against which all others are judged, the 200 Oasis Long Sleeve Crewe Remarkables features our most versatile merino jersey fabric for...

The benchmark against which all others are judged, the Merino 200 Oasis Long Sleeve Crewe Cloud Dye features our most versatile merino wool jersey ...

Midweight merino base layer bottoms designed to help regulate temperature during high-intensity activity, the 200 ZoneKnit™ Leggings feature 100% p...

Ultralight merino base layer bottoms designed to help regulate body temperature during high-intensity activity, the 125 ZoneKnit™ Leggings feature ...

Our versatile, go-anywhere shirt made from breathable 100% merino wool jersey, the 200 Oasis Long Sleeve Crewe is our best-selling base layer top. ...

Our best-selling base layer bottoms made from soft and breathable 100% merino wool jersey, the 200 Oasis Leggings With Fly are the perfect foundati...

Midweight base layer bottoms perfect for skiing, winter hiking, or cold-weather layering, the 260 Tech Leggings With Fly are a warmer version of ou...

Our versatile 100% merino wool base layer top with a classic zip-neck design, the 200 Oasis Long Sleeve Half Zip combines casual comfort with techn...