Use this Eddie Bauer men's fleece base layer when you're working out at the gym or exploring nature. It's great for men who love outdoor activities, as well as companies looking for team warm - up gear or uniforms. Made from 9.3 - ounce 100% polyester fleece, it has a smooth face and a brushed back. The open cuffs and hem, along with reverse coil zippers and front zippered pockets, add to its practicality.