These are colorful checked kids' socks from COMME CA ISM. - Color: Red - Color: Gray - Color: Black - Color: Yellow - Size: S12 - Model Number: 95-100T04 Thank you for viewing. The size is 13-15cm (see the second image). I remember buying them for around 650 yen per pair at the time. Although they are unused, please purchase only if you understand that they have been stored at home.