Patagonia Capilene (R) Midweight Bottoms Baselayer - Mens 20/21: A classic, all-around polyester baselayer with 100% recycled content. 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 (R) Fresh durable odor control keeps things fresh. Fair Trade Certified (TM) sewn. Patagonia Capilene Midweight Bottoms Baselayer Mens | Black | Large | Christy Sports