Slipstop is a great pool & beach shoe that will decrease the risk of slipping on wet grounds. Furthermore, Slipstop also protects your children's feet from super-heated sand. , , SIZES : , , (INF) Infant: 18-20 EU Size , (XS) X-Small: 21-23 EU Size , (S) Small: 24-26 EU Size , (M) Medium: 27-29 EU Size , (L) Large: 30-32 EU Size , (XL) X-Large: 33-35 EU Size