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 here to see this boot in a wider width. Made in the USA with domestic and imported materials. 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. Measurements: Weight: 15 oz Circumference: 14 in Shaft: 8 in View Zappos.com Glossary of Terms Kamik Kids Rocket (Toddler/Little Kid/Big Kid)