Columbia Men's Bugaboot Wide Snow Boot 100% Synthetic Imported Rubber sole Shaft measures approximately 7.5" from arch Heel measures approximately 2" Platform measures approximately 0.75" Waterproof, seam sealed leather upper Injection molded shell 200 grams of insulation temp rated to -25 degrees F Techlite midsole Omni-grip high traction outsole Built for rugged terrain and cold-weather conditions, this insulated, waterproof boot keeps you going no matter what nature throws your way.