Possibly the perfect combination of fibers in a baselayer the innovative Patagonia Cap Air Women's Crew uses seamless 3-D construction to minimize chaffing seaming and to produce a garment with almost zero waste. This is a stretchy airy blend of 18.5 micron fine merino blended with Capilene® recycled polyester to create a baselayer that is soft, cozy comfortable, and highly technical: this is a wicking quick dry champ for thermoregulation when you’re out moving in the cold. A slim fit for sitting right next to your skin this has a zigzag knit texture, full stretch for effortless movement, and will stay insulating even when damp. Keep the cold comfortable in this natural fiber based baselayer with a boost from Capilene® technology.