I couldn't bear the cold and wasn't able to go surfing in the winter. Therefore, it's brand new and unused. 4mm thick TAB/E REVO surfing boots with excellent heat retention. - Brand: TAB/E REVO - Model: Surfing Boots - Thickness: 4mm - Feature: Heat Effect Suitable for surfing and other winter water sports. The unique rubber design and sole shape provide ideal hold. This model prioritizes mobility and functionality. The inner material uses "HEAT EFFECT". [Size] ・23cm *There may be creases in the fabric even in the condition at the time of shipment. Please note that there is no problem with use. It will be shipped in a cardboard box or paper bag.