MASSAGE INSOLES:The massage insoles were designed for plantar fasciitis relieve, foot pain relieve, which is very good for your foot problems. BUILD-IN VIBRATION TECHNOLOGY:there is a magnetic self-vibrating appliance build-in the heel part of the outsole, the heel part will keep vibrating from the bottom when you are walking, and this is gonna help to release your foot pressure. HEIGHT-INCREASE OUTSOLE:This high density PU outsole was made as height-increase sole to make sure our shoes can to some extent increase your height around 5cm. BREATHABLE AND COMFORTABLE TO WEAR: This shoes made with good quality leather as upper and high density PU outsole, you will feel soft and comfortable all the time. WEARING OCCASIONS:Good for daily wear, such as walking,running,fitness,travelling,golf,jogging,exercising and other indoor or outdoor activities. This shoes is really awesome!