4.2 oz., 52% Airlume combed and ring-spun cotton/ 48% polyester jersey, 40 single Triblend: 52% Airlume combed and ring-spun cotton/ 48% polyester Athletic Heather: 90% Airlume combed and ring-spun cotton/ 10% polyester Tearaway label Color Names: Body Color/Sleeve Color " CLICK HERE for fabric guide & screen printing tips "