Hook 5mm (size 18-24 months) - Number 3 yarn
Hook 4.25mm (size 12-18 months) - Number 3 yarn Hook 3.75mm/F (size 9-12 months) - Number 2 fine yarn Hook 3.25mm (size 6-9 months) - Number 2 fine yarn Hook 2.75mm (size 3-6 months) - Number 1 fine yarn Hook 2.25mm (size 0-3 months) - Number 1 fine yarn Sole: make 2 contrast colors for each shoe.