Features of the KEEN Men's Steens Mid Waterproof Boot 4mm multi-directional lugs for traction Stability shank delivers lightweight support KEEN. DRY waterproof, breathable membrane Material Details Waterproof full-grain leather Upper KEEN.ALL-TERRAIN rubber Outsole for Higher-traction grip EVA Midsole for lightweight cushioning Breathable mesh lining Removable EVA Footbed with arch support for all-day comfort