Birkenstock RIO girls's Sandals in Grey Synthetic, Available in girl's sizes. 6 toddler, 7 toddler, 8 toddler, 9 toddler, 10 kid, 11 kid, 12 kid, 13 kid, 1 kid. Remember to look at the logo on the insole: it tells you if the shoe is normal width (logo not filled) or narrower width (full logo). Free Next Day Delivery & Free Returns on all orders!