NIKE Womens Cyclone Vapor Lightweight Stay Dry Running Jacket 100% Nylon Thin lightweight nylon fabric contains water-resistant coating for protection against the elements Fitted adjustable hood with rear drawcord fastening designed specifically for runners as it offers warmth and protection without limiting visibility Rear zipped pocket on the right side for storage of small valuable items or of the jacket itself when it's not being worn Internal textured dots to create air space and provide a cling free fit Reflective details for enhanced visibility in low light conditions