S (0-1Y): toe to heel Tile: 11.5cm/4.5 ", heel to the ankle tiling: 8.5cm/3.4". M (1-3Y): toe to heel tread: 12.5cm/4.9 ", heel to the ankle tiles: 10.5cm/4.1". L (3-5Y): toes to heel Tile: 14cm/5.5 ", heel to the ankle tiles: 12cm/4.7".