HiCool INSOLE HiCool Secret Insole ☆ This item has been opened once for product confirmation, but it is unused. Due to the convenience of the courier service, only two cases are included. ☆ Brand: HiCool ☆ Color: Black ☆ Size: M (25-27.5 cm) ☆ Can be cut and adjusted to fit the insoles of your sneakers. ☆ This insole was also recommended by fashion influencer MB. It is said to be an easy-to-wear insole that not only adds height but also straightens your posture.