Heel measures approximately 1.5" inches Rubber slip resistant outsole Thermolite insulation, hook-and-loop strap and bungee closure Wateproof rubber bottom Removable Thinsulate Liner (Innerboot) This men's Winter Snow Boots is comfort, stylish and warm. Nylon Upper, Thermolite Insulation for Warmth, Hook-and-Loop Strap and Bungee Closure, Removable Thinsulate inner boot, Waterproof. Good ideal for outdoor activities in winter