These short socks support the arch, making them ideal for long training sessions. - Brand: C3fit - Model Name: Arch Support Short Socks - Features: Arch support function - Design: Short socks Size: 3 (26cm - 28cm) Goldwin Co., Ltd. Thank you for viewing. I am selling these as I have no opportunity to wear them. They are new and unused, but have been stored at home, so please consider this if you are concerned. There are no smokers or pets in the house.