The Slater Waterproof boot from Keen® has a versatile construction that will keep you warm and comfortable during a light hike in the woods and running errands on those cold winter streets in the city. This brand is a member of the Sustainable Apparel Coalition.Waterproof full grain leather upper with a wool trim collar.Seam-sealed waterproof construction keeps out the wet elements. 100g KEEN.Warm™ insulation provides incredible warmth and protection from the cold. Features Cleansport NXT™ treatment for natural odor control.Heat reflecting strobel provides a thermal barrier for warmth.Leather heel pull tab for easy entry. Lightly cushioned footbed for added comfort. EVA midsole provides underfoot support and shock absorption. Non-marking rubber outsole with pronounced lug pattern for added traction and stability.