Wolverine Men's Big Horn Plus-W 75% Leather/25% Polyester Imported Rubber sole Shaft measures approximately 8.5" from arch Heel measures approximately 1.25" Platform measures approximately 0.75 inches Waterproof full-grain leather with 900 denier polyester upper 1000 expedition insulation to keep your feet warm in cold environments 1000 expedition insulation to keep your feet warm in cold environments Wolverine rubber on bob outsole Goodyear welt construction for added durability in all conditions