Nike Mens Element 1/4 Zip Running Top Shirt (Large, Black) 88% Polyester / 12% Spandex Dri-FIT fabric wicks away sweat to keep you feeling dry and fresh Soft blended material of 88% polyester / 12% Spandex for natural range of motion Thumholes follow the shape of your hand for a comfortable fit and additional coverage Reflective trim for night time visibility while your workout, run, or walk outdoors