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