Product name: Kids socks
Main Material: cotton blend
Size S for 1-3 year. Socks bottom length 10cm. Fit foot length 11-13cm
Size M for 3-5 year. Socks bottom length 12cm. Fit foot length 14-16cm
Size L for 6-8 year. Socks bottom length 14cm. Fit foot length 16-18cm
Size XL for 9-12 year. Socks bottom length 16cm. Fit foot length 19-22cm
Manual measurement, 1-2cm error is within the normal range