Patagonia Men's P26 Mid GTX Waterproof Hiking Boot 100% Leather Rubber sole GORE-TEX gasket waterproof/breathable construction with extended-comfort waterproof breathable fabric lining 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