The Khombu Women's Birch High Apre Boots are a stylish way to keep your feet warm this winter. Birch High is a waterproof synthetic that looks like the real deal. Plush fur linings add to the look of the boot and an extra element of warmth. It has a comfort insole with Thermolite a moisture wicking, anti-fungal, breathable, fast drying, shock absorbing, and Insulated insole that provides amazing comfort. It has a non-slip outsole so you’re protected against the terrain. These boots are cold rated to -20, so you can wear them in almost any weather.