Lowa Men's Renegade GTX Mid Hiking Boot,Grey/Green,8.5 M US 100% Leather and synthetic Imported Vibram sole Shaft measures approximately 5" from arch Heel measures approximately 1.75" Platform measures approximately 1" Mixed-media hiking boot featuring speed lacing hardware and padded tongue and collar Climate-control footbed Polyurethane Monowrap frame at midsole Full-length nylon shank Vibram Evo outsole