The Unisex Choko Hot Rider HR5 racing jacket has an outer shell made of SUPPRATECH 400-denier waterproof breathable rugged Oxford nylon with a Teflon protective finish, technically coated for a softer feel. Composite Insulation Special Tricot combined with DuPont Sorona ThinWarm wadding and “Ultra Soft” polyfill makes for a warm “action packed” insulation. This jacket has an adjustable wind-guard cummerbund, dual storm flap protection, and a fleece lined adjustable collar. The zippered outer shell pockets are lined with brushed cotton for warmth and waterproofed for durability, plus concealed zipper pocket under the from flap. This jacket also has an Inside zip pocket and map pocket with pouch for mp3 player/mobile phone. The back is strategically shaped and elongated with adjustable elasticized wind stopper cord with pulley at hips.