Columbia Men's Silcox II Slip Waterproof OH Cold-Weather Boot 100% Leather Imported Rubber sole Shaft measures approximately 7" from arch Heel measures approximately 1.5" Platform measures approximately 1.00" Boot opening measures approximately 12.5" around Waterproof winter boot in pull-on silhouette with cozy padded collar Omni-Heat reflective liner and 100g insulation for warmth Non-marking Omni-Grip outsole