The conditions might be extreme but the Sorel Caribou XT boot is made to keep you protected so you can stay active all-day long. Durable water and wind-resistant PU-backed synthetic textile upper. Handcrafted waterproof vulcanized rubber shell. Removable 9mm washable recycled felt inner boot with Omni-Heat reflective lining that provides superior protection against the cold. Cushioned footbed provides all-day comfort. 2.5 mm bonded felt frost plug offers a little extra warmth and protection in the midsole. SOREL aero-trac nonloading outsole with pronounced lugs for excellent traction on snow and icy surfaces. Imported. Measurements: Heel Height: 1 1 4 in Weight: 2 lbs 7 oz Shaft: 9 in Product measurements were taken using size 10.5, width D - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.