Back on Track Physio 4-way stretch is a product line made from Welltex ceramic fabric, consisting of joint and muscle protectors. The protectors are equipped with comfortable 4-way stretch, providing optimal freedom of movement. The Physio Ankle Protector 4-way stretch is helpful for ankle issues. Due to its high elasticity, it is ideal for sports activities and everyday use. The unique Welltex technology with fused ceramic particles reflects body heat in the form of infrared warmtha form of energy that enhances well-being. As with all Back on Track products, you should gradually get used to the effect of Back on Track. During the first 2 to 3 days, the products should be used for a maximum of 4 hours per day. After the adaptation phase, the wearing time can be extended to at least 8 hours or more. For maximum effect, the products should be used intensively. The Welltex fabric stimulates blood circulation and can help prevent injuries.