Salomon Women's Mischaka Waterproof Winter Boot 100% Leather Rubber sole Shaft measures approximately 6 1/2" from arch Heel measures approximately 1 1/2" Platform measures approximately 1" Boot opening measures approximately 9 1/2" around Contagrip outsole-provides unparalleled grip and durability by a smart mix of 20 different compounds, lug geometry and density Warmth to minus 25 degrees C Climatherm HD insulation