Sizing:
Infant: 0-3 Toddler
Extra Small: 4-6 Toddler
Small: 7-10 Toddler
Medium: 10-13 Toddler/Kids
Large 1-7 Kids Shoe Size/Womens 4-8/Mens 4-6 Shoe Size
Sizes Infant, Extra Small, Small, Medium have "Heartbreaker" grips on the bottom of the feet + large have a "Heartbreaker" stiched logo on the bottom of the feet.