When trying to decide between two sizes, choose the larger size for a better fit.

SIZEHeel to ToeWidth
Extra Small 10(toddler)6.252.5
Small 11-12(little kid)6.8752.625
Medium 13-1(little kid)7.52.875
Large 2-3(little kid)8.253.125
One Size 7-11(toddler)Up to 7N/A