These sandals run 2 sizes too big in my experience. My 5 yo wears size 11.5-12 so bought these in size 12 expecting a bit of room to grow between spring break trip and end of summer. They were huge on her - a 10 or 9.5 might have worked better. She has a very narrow foot so I liked the idea of the adjustable front buckle plus Velcro ankle strap. Even with these adjustable options her foot was swimming in the sandal. Silver color was cute though, more of a matte finish versus super shiny.