Ice SAWYER Women's Winter Boots keep feet warm even in temperatures as low as -35C, with 200 gr Thinsulate insulation and a 100% waterproof membrane. Crafted from 100% genuine leather, and featuring a 50% Merino wool/50% polyester lining, removable insoles, stainless steel crampons, and a real rubber sole, these boots are designed for optimal comfort and traction in wintry conditions. A new concept of patented crampon sole allows for easily replaceable cleats, making Ice SAWYER Women's Winter Boots the perfect choice for weathering any cold-weather adventure.