Patagonia R1 Thermal Bottoms

The Patagonia R1 Thermal Bottoms are lightweight women’s baselayer bottoms designed to provide dependable warmth during outdoor adventures and cold-weather days. Their stretchy recycled-polyester fabric supports unrestricted movement, while the smooth Technostretch surface balances comfort, durability and low-bulk performance.

A slim fit helps them layer easily beneath technical clothing, and the fabric’s moisture-management properties keep activity comfortable across changing conditions. With Fair Trade Certified™ production and a light 295 g construction, they suit ski touring, cross-country skiing, climbing and other demanding mountain pursuits.