Product Features: 100% polyester. Sweat-wicking fabric to help keep you cool and comfortable, and 2 large pockets offer plenty of room for pens, penalty cards, and more. Dri-FIT technology moves sweat from your skin for quicker evaporation—helping you stay dry and comfortable. Pockets with hook-and loop closures let you keep your essentials secure on the field. Slim fit for a tailored feel. Machine wash.