Columbia Sportswear Women's Silcox Six Omni-Heat Snow Boot 100% Leather/manmade Rubber sole Shaft measures approximately 4" from arch Heel measures approximately 2" Platform measures approximately 1" Omni-Heat thermal reflective liner Full length Techlite midsole for excellent comfort and support Omni-Grip outsole for excellent traction on a variety of surfaces Combination leather, textile, webbing, TPU Shell, 100 grams of insulation Waterproof materials and construction method