Coolfin Plus is footwear of health and beauty which has not only functions of slip-resistant, correction of toes, acupressure treatment, prevention of cracked heel, stretching but also exercising with checking the change of its temperature by change of body temperature. If the temperature of foot is over 28??, Coolfin Plus will be changed to red color and for more than 33??, it will be changed to white color so that you may find the rise of body temperature. Coolfin Plus would be used in anywhere and at anytime.