Men's Keen Revel IV Mid Polar / Dark Brown / 10.5

WATERPROOF: KEEN DRY waterproof breathable membrane keeps feet dry in wet terrains; Integrated mesh liner INSULATED: KEEN.WARM made from recycled PET plastic with 200G insulation helps keep feet warm in temperatures down to -25° F / -32° C, but still allows feet to breathe MATERIALS: Waterproof oiled full grain leather for improved durability and that classic look; Environmentally preferred premium leather supplied from certified tanneries ICE GRIP & WARMTH: KEEN.FREEZE outsole for cold weather reduces rubber hardness and improves flexibility while walking on snow or ice; Heat reflecting board provides a thermal barrier CARE TIPS: To treat day to day wear and tear especially on lighter color leathers KEEN recommends using a leather cleaner and conditioner; Found at most footwear dealers and/or shoe repair shops