Painful - don't buy these. The strap rubbed my little girls foot and the top of her ankle. She's almost 18 months and refuses to let me put them on her because she knows they are going to cut into the top of her ankle. One of her daycare teachers said she came up to her and wanted her shoes off. I won't be putting them on her again, waste of money. She had little cuts on the top of her foot, I had to put neosporin on her to heal them.