4.2 oz, 100% combed and ring-spun cottonHeather colors 52% combed and ring-spun cotton/48% polyesterNeon colors 3.6 oz, 52% combed and ring-spun cotton/48% polyester-40 singlesTriblend colors 3.8 oz, 50% polyester/25% combed and ring-spun cotton/25% rayon-40 singles 30 singlesSide-seamedRetail fitUnisex sizingSizes: S - L