Kamik Footwear Kids Snobuster1 Insulated Snow Boot (Toddler/Little Kid/Big Kid) Rubber Made in USA or Imported Synthetic sole Shaft measures approximately 9" from arch Heel measures approximately 1" Boot opening measures approximately 13" around Made in Canada -25F Kids Waterproof synthetic rubber all-weather boot Adjustable snow collar with Easy Grab Lace Lock 6 mm Canadian Made Thermal Guard removable liner (100% recycled content) Moisture wicking lining Injection-molded Canadian made synthetic rubber shell