Belleville 390 TROP Men's Hot Weather Combat Boot leather-and-rubber Vibram sole Designed by Belleville Shoes in conjunction with the special forces community to provide a sturdy, rugged boot that gives excellent ground feel and mobility Full-grain cowhide leather and CORDURA Nylon Fabric upper 100% rubber VIBRAM Sierra outsole with VANGUARD running shoe sole construction Cushioned polyurethane midsole Single density molded removable insert