Wolverine Men's Nation Waterproof Comp Toe Pull-on Work Shoe 100% Leather Imported Rubber sole Shaft measures approximately 10" from arch Boot opening measures approximately 13" around The new Wolverine Dura shocks add comfort into every step so you can power through any job. A unique cushioning design optimizes comfort with cushioning in the heel and flexibility through the step Wolverine h-plate suspension system stabilizes your foot while creating four independently responsive quadrants to harness the energy of your step and propel you forward