Craft Sportswear Women's Performance Bike Cycling 1/4 Zip Short Sleeve Stripe Jersey: protective/riding/compression/cooling 100% Polyester Imported Four back pockets (one zippered) Ergonomic construction for optimal freedom of movement Mesh inserts at hot spots with elastic hexachannel fabric for active cycling and ventilation Hole in back pocket for MP3/headset wire Short zipper; wide fit