Features: 4.2 oz, 32 single 52% Airlume combed and ring-spun cotton/48% polyester Prism colors are 99% Airlume combed and ring-spun cotton/1% polyester Athletic Heather and Black Heather are 90% Airlume combed and ring-spun cotton/10% polyester Side-seamed Retail fit Unisex sizing Shoulder taping Pre-shrunk Tear-away label