With winter-ready construction and casual, slip-on style, these waterproof men's shoes are perfect at home, around town or out in the wild. They're lined with lightweight KEEN.WARM recycled PET insulation that's rated to -25° F and retains its effectiveness if it becomes damp. Specifically designed for harsh, frigid conditions, the heavily lugged KEEN.FREEZE rubber outsole keeps you sure-footed on slick or snowy surfaces.