Thank you for viewing. Tabie BB Socks 2mm, Size M, New and Unused Size: M (24.5cm~) ☆ Made with 2mm wetsuit material and designed to fit Japanese feet to prevent fin slippage. It also provides excellent heat retention and improves the fit when fins are loose. ☆ Please refer to images 6 and 7 for a detailed product description. ※ Please note that the case with the product description is not included. Brand new and unused!! Please consider purchasing.