Body: 79% polyester, 21% Spandex. Rib: 88% polyester, 12% Spandex. 4-button placket. Ribbed cuffs and hem insets. Embroidered Swoosh logo on left arm. Nike Dri-FIT technology moves sweat away from your skin for quicker evaporation, helping you stay dry and comfortable. Ribbed insets at the hem stretch through your full range of motion.