The protective Kamik Kids Rocket snow boots are sure to keep them dry this season! Constructed with a waterproof nylon upper to keep wet elements out. Designed with an adjustable hook-and-loop ankle strap and an adjustable toggle collar to offer a personalized fit. These slip-on boots feature a moisture-wicking liner, removable ZYLEX footbed, and a gripped SNOWAVE outsole. 8mm Zylex removable liner (97% recycled content). Temperature rated: -40°F/-40°C Click to see this boot in a wider width. Made in the USA with domestic and imported materials. Measurements: Weight: 10 oz Circumference: 12 1 4 in Shaft: 5 in Product measurements were taken using size 8 Toddler, width M. Please note that measurements may vary by size.