KEEN Men's Revel 4 Mid Polar Snow Boots, Steel Grey/Magnet, 10 UK

WATERPROOF HIKER: Protected by KEEN. DRY waterproof, breathable membrane; Made with waterproof Nubuck leather upper and breathable mesh lining ALL-TERRAIN: Features dual-compound rubber outsole with 4 mm multi-directional lugs for higher-traction grip; Contoured heel lock holds your heel in place for a more secure footing TRACTION: KEEN ALL-TERRAIN rubber outsole provides higher-traction grip in muddy environments and on rocky surfaces; Non-marking rubber outsoles leaves no trace when walking indoors SUPPORT and COMFORT: KEEN.WARM insulation helps keep feet warm in temperatures down to -25° F / -32° C, but still allows feet to breathe; KEEN Luftcell PU insole is used for long-lasting comfort right out of the box CARE TIPS: Gently brush the boot with a soft bristle brush or hand towel to remove loose dirt and debris; Treat stains by lightly rubbing a gum eraser in a circular motion over the location and lightly brush afterward