Bundle up your little snow angel! Made of comfortable polyurethane nylon shaft upper with injection molded rubber TPR shell toe. Fleece lined insulation keeps feet warm and toasty from moisture and cold. Alternative hook-and-loop closure fits snug on calf. Lug outsole for excellent traction. Temperature rated: -22F/-30C. Measurements: Heel Height: 1 in Weight: 10 oz Circumference: 11 in Shaft: 6 1 2 in Product measurements were taken using size 9 Toddler, width M. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.