Blacco Surf Boot Accessories Brand new, unused Size: L Width: Approximately 36 cm Length: Approximately 4 cm Thickness: Approximately 3 cm Due to the thickness, the fit is soft. Color: Black Ankle strap Over a wetsuit Tightens to prevent water from entering. Attach to the ankle opposite the leash cord, over the wetsuit. Prevents water from entering and reduces body temperature drop, allowing you to enjoy surfing for a long time. Although brand new and unused, it has been stored at home, so please understand this before purchasing.