Patagonia Women's P26 Mid Hiking Boot 100% Nubuck Vibram sole Heel measures approximately 1.75" Waterproof 15% recycled EVA dual density footbed 2mm 15% recycled EVA insole 1.8mm shock distribution plate with integrated arch bridge for pressure distribution and protection Vibram P26 dual density rubber sole features Ecostep Plus 50% recycled and TC5+ rubbers