Pro Style Wool Fitted Cap - Black acrylic/wool Made of 15% wool and 85% acrylic. There are seven sizes to choose from: 6-7/8, 7, 7 1/8, 7 1/4, 7 3/8, 7 1/2, 7 5/8. Fitted with an inner hat band. Adult/Unisex. Crown measures 4 inches deep.