Rockport Men's Castleton Boot- 100% Leather Imported Leather and Rubber sole Shaft measures approximately 6.5" from arch Heel measures approximately 1" Boot opening measures approximately 12" around adidas adiPRENE sport technology cushioning absorbs shock and protects the heel at impact Leather uppers are easy to clean and maintain to extend product life Ethylene vinyl acetate footbed cushioning conforms to the shape of the foot for a personalized fit Leather outsole with rubber walking surface combines sophisticated styling with durable traction and outsole flexibility