Merrell Women's Thermo Advnt Ice+ 6" Waterproof Boot Reliable and warm boots for winter tourism from Merrell. PERSONAL PROTECTION: Genuine leather, galosh TPU STORAGE HEATER M Heat Matter WARM, complemented by fleece lining, reliably protects against cold. WATERPROOFING MEMBRANE The membrane of M Select DRY protects against blotting and guarantees a comfortable microclimate. ANTIBACTERIAL DRINKING The M Select FRESH drink prevents odor. STABILIZATION AND SUPPORT Nylon instep supports the arch of the foot and protects from shock. AMORTIZATION The EVA midsole with an Air Cushion insert in the heel provides excellent cushioning. CLUTCH WITH SURFACE The Vibram Arctic Grip with increased grip on winter roads. Features: Membrane tissue Yes Weight of heater 200 g / m2 Fastening method Lacing Water repellent impregnation No Antibacterial impregnation Yes Reflective details No Protection of the toe Yes Reinforced bumper Yes Anatomic insole Yes Removable inner boot No Tread depth 5 mm Upper material 62% genuine leather, 38% thermo-polyurethane Lining material Textile Material of insole Ethylene vinyl acetate Sole material Rubber Technologies Air Cushion, M Select DRY, M Select FRESH, M Select WARM, Vibram Arctic Grip