Guard your snow fort! There's a bandit on the loose! ; Pro-tech microfiber and rip-stop nylon upper with TPR shell delivers durability. Hook-and-loop straps for an adjustable fit and easy on and off. Multilayer inner boot system offers comfort and warmth. TPR outsole provides maximum traction on a variety of surfaces. Comfort rating: -40°C/-40°F (This is the actual and correct conversion, not a typo. Crazy, huh?). Measurements: ; Heel Height: 1 1 2 in ; Weight: 1 lb 15 oz ; Circumference: 16 1 2 in ; Shaft: 10 in ; Platform Height: 3 4 in ; Product measurements were taken using size 7 Big Kid, width M. Please note that measurements may vary by size.