Arcteryx Argus Jacket - Men's 84% polyester Outer front face fabric is a wind resistant nylon ripstop with DWR finish, warm, air permeable Polartec Alpha insulates chest Back and lower arms use soft Torrent fabric (Composite Mapping) Zippered hand pockets, one with media port, two rear stash pockets Internal cuff has thumbholes to hold sleeve in position and protect hands Adjustable hem drawcord seals out cold, reflective blades on back and sleeves