The Optimo Shantung by Stetson straw hat is made of genuine Shantung panama straw. It features a 2 1/8" snap brim, 4 1/4" optimo crown and genuine cowhide sweatband. The Optimo Shantung features a snap brim that can be worn up or down to best suit your style. The lightweight and durable Shantung straw makes it comfortable and easy to wear.