Kamik Kids' Sleet2 Snow Boot Textile/Synthetic Made in USA Synthetic sole Shaft measures approximately 9.5" from arch Boot opening measures approximately 13" around -40F Kids Waterproof Seam Sealed 600 denier nylon and synthetic nubuck upper winter boot Adjustable snow collar with Easy Grab Lace Lock 8 mm Zylex removable liner (97% recycled content) Adjustable midfoot Velcro strap with easy grip rubber tip Waterproof and lightweight synthetic RubberHe shell