Nike Men's Waterproof Jacket Nike HyperShield fabric blocks elements like wind and water to keep you comfortable in the harshest weather. Bonded seams help repel wind and rain. A perforated vent system at the back center of the jacket helps you stay cool. Zippered pockets offer a secure space to store small items.An adjustable hood, a toggle at the hem and hook-and-loop tabs at the cuffs let you customize your coverage. 100% POLYESTER.