Patagonia Men's Drifter A/C Mid Waterproof Hiking Boot Leather and mesh Imported Vibram sole Shaft measures approximately 4.75" from arch Heel measures approximately 1.5" Platform measures approximately 0.5" Waterproof outside and interior membrane Bellows tongue Board-lasted construction Moisture control air-mesh lining Anatomical insole made of 20% recycled EVA Vibram Trail Ecostep outsole Keep feet cool and dry in this waterproof, yet breathable mid-top shoe from Patagonia.