Women's Base Layers

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

Our most breathable, lightweight top for high-output activities, the 125 ZoneKnit™ Energy Wind Long Sleeve T-Shirt features a body-mapped combinati...

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

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

A warmer, midweight version of our best-selling Oasis, the 260 Tech Long Sleeve Half Zip is a go-to piece for winter layering, made with 100% merin...

Versatile, durable Polartec® Power Stretch® Pro base layer top for mixed output in cold conditions. Our warmest base layer zip-neck. Polartec® Powe...