Travel in reliable warmth all winter long by slipping into the Tundra Ryan boot. Water-resistant denier upper. Waterproof rubber shell. Lace-up front. Padded tongue and collar for added comfort. Heel pull loop for easy on and off. Durable rubber outsole equipped with sturdy lugs for winter traction. Temperature Rating: -30 degreesF/ -30.44 degreesC. Measurements: Heel Height: 1 1 2 in Weight: 2 lbs 4 oz Circumference: 15 3 4 in Shaft: 8 1 2 in Product measurements were taken using size 11, width D - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.