The Keen Revel III is a durable, comfortable hiking boot that features two types of insulation to cut the chill. This boot includes 200g KEEN.Warm insulation and TRAPOLATORTM underfoot insulation system. It also includes KEEN.Dry waterproof breathable membrane and Cleansport NXTTM for natural odor control. The outsole is specially designed to hold its ground in icy, slick conditions. It also features gaiter ring hook.