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Technical sweats? Yes PLEASE. The Patagonia R1 Thermal Bottoms took the slim yet comfortable silhouette you see in climbing and hiking pants and put R1 fabric inside. The result is a protective baselayer that's soft and breathable, designed to keep you warm during high alpine pursuits.
6.5-oz 91% Recycled Polyester / 9% Spandex Flat-Faced Technostretch Fleece
Made in a Fair Trade Certified™ Factory
Slim Fit – Closer-fitting. Slim-fitting technical garments may be worn over baselayers and light midlayers.
Tapered Legs – Slim-fit leg tapers through to the ankle for foot visibility and easy layering.
Low-Profile, Adjustable Waistband – Smooth waistband with a low-profile, internal drawcord provides an adjustable fit and is comfortable and easy to layer over.
Two Zippered Handwarmer Pockets Keep Small Items Close and Secure