Viking Footwear Black Tusk Caulk Waterproof Steel Toe Boot 100% Rubber Shaft measures approximately Mid-Calf millimeters from arch Heel measures approximately 1" Platform measures approximately 0.5 inches Leather top, rubber bottom, and cotton canvas lining Achilles tendon, ankle and metatarsal protection SBR blended NR caulked sole Spiked sole having limited chemical resistance Ideal for Loggers, Professional Arborist, Harvesters, Log quality inspectors, Seeder and planters