Top of the World Arizona State Sun Devils Official NCAA One Fit Tow HAT 864730 Polyester and Spandex Construction for Lightweight Performance Look and Feel. Moisture Wicking. Golf Course or Sideline Ready. One-Fit Sizing (Comfy, Flex Headband Fits Most Adults, Hat Sizes 7 to 7 7/8) Material: Polyester Premium quality fan gear manufactured by American-owned Top of the World. A terrific gift idea. Premium quality fan gear manufactured by American-owned Top of the World. A terrific gift idea.