The Bogs® Charlie Melange boot will keep you cozy and comfortable all winter long. 100% 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°F/-30°CImported.Measurements: Weight: 12 oz Circumference: 13 1⁄4 in Shaft: 12 inProduct measurements were taken using size 6, width B - Medium. Please note that measurements may vary by size.