Columbia Women's Silcox 8 Electric Snow Boot 100% Leather and fabric Rubber sole Shaft measures approximately 6" from arch Heel measures approximately 1.5" Omni-Heat thermal reflective liner Omni-Heat thermal electric 3-temperature heating system Full length Techlite midsole for excellent traction on a variety of surfaces Omni-Grip outsole for excellent traction on a variety of surfaces Waterproof materials and construction method