DeMarini D Flexfit Hat - Black Pacific Headwear Style 404M 3D Embroidered Front Logo with Mesh Back Sizing Chart: S-M = 6 7/8 to 7 3/8 and L-XL = 7 3/8 to 8 55% Nylon, 30% Polyester, 9% Cotton, 6% P.U. Spandex