24-7 Mens Tru-Spec Short Sleeve Polo Shirt, Black 100% Polyester Tightly knit cotton is designed to provide a neat, wrinkle free appearance and to resist fading. TRU-DRI moisture wicking technology to help pull the moisture and perspiration away from your body features include a microphone loop, dual pen slot on the left sleeve, reinforced neck yoke, and special insets in the collar to help prevent it from curling up