82% cotton, 18% polyester (Silver Grey is 81% cotton, 17% polyester, 2% black rayon). Extra-heavy low-shrink fleece; ribbed neck; side gussets; locker loop; full athletic cut; 3 3/4" ribbed cuffs and waistband; "C" logo above left cuff. - Sizes other than those listed may be available; please call for pricing and details.