Mid-calf winter boots in eco-conscious faux leather. 9-eyelet lace-up closure and inner zip Upper in recycled polyurethane Recycled faux fur lining Shaft height: 6.1 in Heel height: 1.4 in Comfort foam insole TPR outsole 3M Thinsulate TM insulation :Effective in damp conditions Made from microfibers that trap and hold body heat Warm, thin and light | Ardene Lace-Up Winter Boots in Brown | Size 6 | Faux Leather | Eco-Conscious | Microfiber