Kamik Stomp Rain Boot (Toddler/Little Kid/Big Kid) 100% Synthetic rubber Made in USA or Imported Rubber sole Shaft measures approximately 10" from arch Heel measures approximately 0.75" Boot opening measures approximately 12.5" around Youth size printed on the item represents Toddler size. Comfort EVA footbed Moisture-wicking lining TREK outsole,Lightweight Waterproof This rain boot from Kamik features sturdy tread and a classic look.