Our Designs are Pressed on Next Level Premium T-Shirts for Quality, Comfort, and Softness. Next Level Tees are 43.3 oz., 100% Combed Cotton Jersey 32 singles. Our shirts are laundered, have a a 1x1 baby rib set-in-collar with front coverstitching, hemmed sleeves, side seams, and tearaway label. Heather Grey is 90% Cotton and 10% Polyester.