Piper Finn shoes are made of genuine leather leaving the shoes high quality to last! The variety of styles are sure to have your little one looking stylish in every outfit. Features:Premium Top Grain LeatherToddler Proof Buckle Strap For a Secure Hold Nonskid OutsolesCushioned InsolesSizing tip: Please see Hard Sole Mary Jane size guide below!size 3: up to 4.75 inchessize 4: up to 5.25 inchessize 5: up to 5.5 inchessize 6: up to 5.75 inchessize 7: up to 6 inchessize 8: up to 6.5 inchessize 9: up to 6.75 inchessize 10: up to 7 inchessize 11: up to 7.25 inchessize 12: up to 7.5 inches