Product information: Children's socks category: floor socks Function: breathable, sweat-absorbing Main fabric composition: cotton Size information: size Foot length Sock length Suitable for age XS 8 / 0-6 months S 10 / 6-12 months M 12 / 1-3 months 1. Asian size is 1 to 2 yards smaller than Europeans and Americans. If the size is between the two sizes, choose a larger size. Due to manual measurements, please allow a difference of 2-3 cm. 2. Please check the size chart carefully before purchasing. If you don't know how to choose the size, please contact our customer service. 3. As you know, different computers display colors in different ways, and the actual project color may be slightly different from the following image.