Pearl iZUMi Men's Stockton Jacket 100% Polyester Imported Slim fit keeps air resistance and billowing bulk at a minimum. Attached hood adds final layer of protection. Countered cuffs, tapered seams and zippered pockets keep out water and wind. Durable, lightweight Barrier WxB 2.5 fabric is waterproof yet still breathable. Zippered back flap and vent panels offer additional aeration.