Sorel Caribou Waterproof Insulated Boots Grey Size 10 Great Preowned Condition No Rips, holes or stains Rated For Extreme Cold Temps 4-layer 9 mm ThermoPlus™ felt liners add warmth and are removable for easy drying Waterproof full-grain leather uppers are triple-stitched to handcrafted waterproof rubber bottoms for long-lasting wear Aerotrac™ rubber lug outsoles help you negotiate snow and slush with confidence UPPER: Waterproof nubuck upper. Seam-sealed waterproof construction. Laces are not waterproof. INSULATION: Synthetic insulation. Removable 9 mm washable recycled felt inner boot with Sherpa pile snow cuff. MIDSOLE: 2.5 mm bonded felt frost plug. Handcrafted waterproof vulcanized rubber shell with Sorel aero-trac non loading outsole Lug Soles See all Photos for details Smoke Free Home Thanks for Shopping my Closet!