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 °F/ -30.44 °C. Measurements: Heel Height: 1 1?2 in Weight: 2 lbs 4 oz Circumference: 15 3?4 in Shaft: 8 1?2 inProduct measurements were taken using size 11, width D - Medium. Please note that measurements may vary by size.