U.S. Jaclean Foot Reflexology Sandals Men's Therapeutic Acupressure Massaging Sandals Slippers Acu Air [Reflexology] Reflexology segregate the body into ten zones, divided in five areas on each side. All parts and organs are represented in these areas. [Japanese Style] Reflexology Sandals were invented to heal your body through your feet in Japan. Our acupuncture massage sandals contain nodules that apply pressure to your feet soles, improving blood circulation, preventing legs cramps, headaches and encourage full body wellness. [Feature] Waterproof & Non-slip soles to make easy for your everyday life. Breathable design prevented to hold moisture inside the sandal. [Removable Footpad] In case you need to clean a footpad, you can remove it easily from a sandal. [Run Small] Due to design of the insert, all sizes run little small. We recommend buying one size bigger than your shoe size.