Gore-Tex Paclite fabric offers packable, lightweight, waterproof-breathable protection. 100% Polyester. DWR finish sheds moisture from precipitation. Fully seam-sealed. YKK water-resistant Vislon pocket zippers prevent water seepage. Waterproof pit zips regulate body temperature. Bonded waterproof, zip-secure hand pockets. Contoured, zip-out hood offers maximum protection with minimal bulk. One-handed drawcord hood. Drop tail. Hook and loop adjustable cuff. Seamless shoulder eliminates pack strap discomfort.