Patagonia Men's P26 Mid Hiking Boot 100% Leather Vibram sole Shaft measures approximately 5" from arch Waterproof 15% recycled EVA dual density foot bed and midsole Deep Dish Helium Light EVA (25% lighter than normal EVA) foot frame Ecostep Plus 50% recycled and TC5+ rubbers for optimal stability 1.8mm shock distribution plate with integrated arch bridge for pressure distribution and protection