Utilizing advancements in premium comfort technology allowed us to make this basic hot weather boot like your favorite running shoe. With an upper constructed of durable full grain cowhide leather and abrasion resistant 1000 denier nylon, the F600 is not only tough, but highly breathable, too.BOOT FEATURES:100% cattlehide leather & nylon fabric upperVANGUARD sole construction combining a cushioned direct injected midsole with a 100% rubber VIBRAM Sierra outsoleSoft removable insole8"heightMade in USA & Berry Compliant