Defy the elements with the weather-ready protection of the Tundra Portland boot. Water-resistant nylon upper. Front-zip closure. Quilted detail at back. Waterproof rubber shell. Faux-fur collar. Textile insulation for added warmth. Durable rubber outsole provides secure traction. Temperature Rating: -22 degreesF/ -30 degreesC. Measurements: Weight: 1 lb 7 oz Circumference: 15 1 2 in Shaft: 9 1 2 in Product measurements were taken using size 8, width B - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.