Features the official Air Force Marathon logo. The Nike Therma Crew is made with Nike Therma fabric, so you can take on the elements while staying warm and comfortable. The fit is designed to follow your body's natural shape and allow you move freely. Choose from 9 colors for a team-right look. This product is made with at least 50% recycled polyester fibers. Nike Therma fabric helps keep you warm. The streamlined design and crew neck let you layer comfortably. 100% polyester Men's Nike Therma Crew Air Force Marathon