Women's Base Layers

Built to fit, flex, and follow you like a shadow, our Women's Intraknit™ Thermal Merino Base Layer Bottom uses our innovative 3D knitting technolog...

Our ultra-lightweight Intraknit™ fabric utilizes Merino Sport yarns for a softer, cleaner finish. Crafted with Intraknit™ technology, the Women'...

Lightweight, with a clean finish and beautiful floral patterns, our Women's Intraknit™ Thermal Merino Base Layer Pattern Crew was engineered to ...

This minimalist-style crew is anything but insignificant. Our Women's Intraknit™ Thermal Merino Base Layer Crew is a lightweight, super-moveable to...

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

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

An ultralight merino base layer top designed to help regulate body temperature during high-intensity activity, the 125 ZoneKnit™ Short Sleeve Crewe...

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

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

Incredibly warm merino-blend base layer bottoms for the coldest months of the year, the Merino 260 Tech High Rise Leggings are go-to piece for wint...

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

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...

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. ...

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 ...

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

Performance base layer for lower output activities in cool to cold temperatures. *The Rho Bottom was previously the Rho LT Bottom. Lightweight, eff...

Performance base layer for lower output activities in cool to cold temperatures. *The Rho Zip Neck was previously the Rho LT Zip Neck. Comfort star...

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

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