They are a size or two bigger than the shoe (maybe 1-1.5 sizes bigger for ballerinas) - but these are the best ballerinas, don't gape at the front and wrap the foot really well, eh it should be ballerinas!
Capezio Girls 3800 Mary Jane Tap Shoe in Caramel - Size 11.5 M Toddlers
49 Review
Dance in Style with Molly Jane Tap Shoes: Unisex-Child Mary Flats
50 Review
Flexible Comfort: pediped Flex Isabella Mary Jane for Toddlers and Little Kids
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Slip-Resistant Crib Shoes for Babies: Robeez Soft Soles for Girls and Unisex Toddlers, Ages 0-24 Months
53 Review