Features of the KEEN Men's Steens Waterproof Shoe 4mm multi-directional lugs for traction Stability shank delivers lightweight support Non-marking rubber Outsole leaves no trace 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