With UPF 50+, stretch jersey Essential Tencel Elbow Sleeve will protect you from harmful UV rays. It has stretch, is wrinkle resistant and wicks moisture away from the body. 58% cotton, 37% polyester, 5% spandex. Straight hem in back, UPF 50+, real crossover front, tulip hem in front, quick dry. Material: 58% cotton, 37% polyester, 5% spandex.