The perfect cold weather boot. ; Made of comfortable polyurethane nylon shaft upper with injection molded rubber TPR shell toe. ; Choose from different colors and designs for your upper. ; Fleece lined insulation keeps feet warm and toasty from moisture and cold. ; Alternative hook and loop closure fits snug on calf. ; Shaft measures: 6 1/2 and calf circumference measures: 13. ; Lug outsole for excellent traction. ; Temperature rated to -22ºF or -30ºC. ; Made in Canada. Measurements: ; Weight: 9 oz ; Circumference: 12 1 2 in ; Shaft: 7 in ; Product measurements were taken using size 8 Toddler, width M. Please note that measurements may vary by size.