Columbia Bugaboot Plus II Omni-Heat Waterproof Bungee and Toggle Winter Boot 100% Suede, Polyurethane Cotaed Leather Imported Rubber sole Shaft measures approximately 6" from arch Heel measures approximately 1" Omni-Heat thermal insulation Waterproof suede and PU coated leather 200 grams insulation rated -25F/-32C Molded EVA with nylex cover Injection molded rubber shell/outsole