Insole made of 100% medical grade silicone that helps improve body posture. In addition, it does not irritate the skin and helps reduce friction or rubbing on the feet. It also facilitates toe alignment and even weight distribution. Reinforced with support zones in the metatarsal, arch and heel area, which contribute to alleviating ankle joint discomfort and the feeling of tired legs. Suitable for use in static position and in sports practice. It comes in a pack with 2 reusable units. Hypoallergenic. Dermatologically tested.