Women's Base Layer Tops

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

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...

An incredibly warm merino base layer for the coldest months of the year, the 260 Tech High Rise Leggings are go-to piece for winter layering—ideal ...

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...

A classic, all-around 100% recycled polyester baselayer. The smooth, soft face makes for easy layering. Hollow-core yarns and a diamond-grid back t...

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...

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

A classic, all-around 100% recycled polyester baselayer. The smooth, soft face makes for easy layering. Hollow-core yarns and a diamond-grid back t...

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

100% Merino wool - Soft, lightweight and naturally odour resistant fibre that keeps you warm when it's cold and cool when it's warm. Gusseted under...

100% Merino wool - Soft, lightweight and naturally odour resistant fibre that keeps you warm when it's cold and cool when it's warm. Gusseted under...

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...

A heavyweight merino wool base layer top designed to help regulate temperature during high-intensity activity, the 260 ZoneKnit™ Long Sleeve Half Z...

A heavyweight merino base layer top designed to help regulate temperature during high-intensity activity, the 260 ZoneKnit™ Long Sleeve Crewe featu...

Heavyweight merino base layer bottoms designed to help regulate temperature during high-intensity activity, the 260 ZoneKnit™ Leggings feature 100%...

The benchmark against which all others are judged, the 200 Oasis Long Sleeve Half Zip features our most versatile merino wool jersey fabric for yea...

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

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

Versatile year-round base layer bottoms made with 100% merino wool and a slim fit, our 175 Everyday Leggings offer premium breathability, odor-resi...

Fit: Slim Our slim fit is intended to follow the contours of the body Fabric helps combine the moisture management, temperature regulation, and od...

This ultra-soft knit turtleneck top for women offers a stylish look, all while providing protection against the cold. Completely versatile, our tur...

The long sleeve zip up Asciutta is made from a fabric containing Lyocell, a biodegradable and compostable cellulosic fiber created using an environ...

A versatile, body-mapped zip-neck top that’s ideal for high-intensity adventures, the Merino 125 ZoneKnit™Long Sleeve Half Zip features our Cool-Li...

  Stay warm in chilly weather with Polartec® Power Grid® fabric and HeiQ® Pure odor control. Breathable and lofted, this lightweight baselayer won'...