Sizing:
Extra Small 3-6 Toddler
Small 7-10 Toddler
Medium 10-13 Toddler/Kids
Large 1-7 Big Kids/Womens 4-10/Mens 4-8
Sizes Extra Small, Small + Medium have "Heartbreaker" grips on the bottom of the feet and size Large has a stitched "Heartbreaker" on the bottom of the feet.