The Patagonia Cap Baselayer is an employee-favorite here at Aspen Ski and Board. Get yours today! Guaranteed to keep you warm and dry! A classic, all-around 100% recycled polyester baselayer. The smooth, soft face makes for easy layering. Hollow-core yarns and a diamond-grid back trap warm air, wick moisture and dry fast. HeiQ® Pure odor control keeps things fresh. Fair Trade Certified™ sewn.