The Khombu Women's Moon Apre Boots is a Waterproof Suede, faux-fur trimmed boot with plenty of warm winter insulation (rated for -20°. Function and fashion in a stellar package. The Khombu Moon features a Thermolite® Footbed with Ortholite, Moisture Wicking/Anti-Fungal Foam Insole, plush lining, and Non-slip Outsole.