The Bogs Charlie Melange boot will keep you cozy and comfortable all winter long. 100 percent waterproof. 3 mm Neo-Tech waterproof insulation helps keep feet warm and dry. Pull-on handles for easy off-and-on. DuraFresh bio-technology lining activates to fight odors for a fresher foot environment. Max-Wick moves moisture away to keep your feet dry and fresh. Rebound footbed for excellent underfoot cushioning and comfort. BioGrip rubber outsole with tread pattern prevents slipping. Temperature Rating: -22 degreesF/-30 degreesC Imported. Measurements: Weight: 12 oz Circumference: 13 1 4 in Shaft: 12 in Product measurements were taken using size 6, width B - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.