Eco-conscious lace-up boots made with recycled post-consumer materials. Knitted collar Inner zip closure Buckle strap Berber lining 3M Thinsulate TM insulation Shaft height: 5 in Heel height: 2.8 in Memory foam insole TPR outsole Available in faux leather and faux suede 3M Thinsulate TM insulation :Effective in damp conditions Made from microfibers that trap and hold body heat Warm, thin and light | Ardene Warm Boots with Knit Collar in Black | Size 6 | Faux Leather/Faux Suede | Eco-Conscious | Microfiber