Shorven Baby Kids Cotton Socks Knee High Long Socks Anti Skid With Grips 2 Packs Fabric:Cotton&Spandex S(6M-24M) whole length:10.2"(26cm)/sole length:3.9"(10cm)/Fit for baby's feet length in 12-14cm/4.7-5.5"(Shoe size US Toddler 3.5M-7M approx.) M(3-4 Years) whole length:11"(28cm)/sole length:4.7"(12cm)/Fit for baby's feet length in 13-17cm/5.1-6.7"(Shoe size US Toddler 6M-Little Kid 11M approx.) L(5-6 Years) Whole length:15.7"(40cm)/Sole length:5.5"(14cm)/Fit for baby's feet length in 16-18cm/6.3-7"(shoe size US Toddler 10M-Little Kid 12M approx.) Age is just for reference,please choose the right size according to the size info./The whole length of the socks may differ a little because of the different production batches. The little 3D paws (made of silicone ) on sole can make the socks anti-slip.