Pattern includes 4 sizes

0-3 months: 3,5'' long approx. Shoe size 1 – 9cm
3-6 months: 4'' long approx. Shoe size 2 – 9,5cm
6-9 months: 4.25" long approx. Shoe size 3 – 10cm
9-12 months: 4,5" long approx. Shoe size 4 – 11cm