Detroit Red Wings Licensed Embroidered Logo 2014 Winter Classic Hat Cap Officially Licensed by the National Hockey League (NHL) Reebok Structured Flex Fit Hat S/M fits 6 3/4 - 7 1/4; L/XL fits 7 1/4 - 7 5/8. Sizes are approximate. 75% Wool/25% Nylon Makes a great gift or self purchase