All-season, all-occasion versatility sets this boot apart. Nubuck leather looks good with jeans or slacks, while waterproofing, insulation and a snow-friendly sole make it ideal for winter wear. 4mm multi-directional lugs for traction 200 grams KEEN.Warm insulation -25f/-32c CLEANSPORT NXT™ for natural odor protection KEEN.Freeze rubber snow and ice grip ESS shank offers lightweight support Thermal heat-shield footbed captures warmth KEEN.Dry waterproof, breathable membrane