Features of the Keen Women's Bailey Lace Boot Luftcell PU Footbed For All-Day Comfort Luftcell Dual-Density PU Outsole, Infused With Air For Weightless Comfort KEEN. WARM Insulation Rated To -4F/-20C Eco Anti-Odor For Freshness Environmentally Preferred Premium Leather From Lwg-Certified Tannery PFC-Free, Durable Water Repellent