Only the power of the sun could keep you from that snowball fight! ; Pro-tech microfiber and rip-stop nylon upper with TPR shell delivers durability. Pull-on style with buckle lock snow cuff to keep the elements out and bungee lock laces for a secure fit. 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 4 in ; Weight: 1 lb 6 oz ; Circumference: 13 in ; Shaft: 9 1 2 in ; Platform Height: 1 in ; Product measurements were taken using size 2 Little Kid, width M. Please note that measurements may vary by size.