Red Wing Heritage Men's Iron Ranger 6" Vibram Boot 100% Leather Made in US Rubber sole Shaft measures approximately 6" from arch Heel measures approximately 1" Platform measures approximately 0.50" Triple stitched quality. Trying on Red Wing Heritage footwear in a store is recommended to get the perfect fit Vibram 430 Mini-lug outsole:Nitrile Cork.A new pair of Red Wing Heritage boots should fit comfortably tight on your foot, with enough room to freely wiggle your toes Features a bump toe for more room up-front Fit Tip-1/2 size smaller than their normal size. Hardware- Nickel Eyelets and Hooks. Outsole-Nitrile Cork.Steel shank