Capezio Jelz footUndeez Synthetic 4 way stretch, breathable Nylon Lycra Spandex upper Patented ExoArmor duet sole patches move independently A thin layer of Bunheads gel is incorporated into the construction of the sole patches, alleviating pressure and providing shock absorption Fore foot pads are securely sewn with stitching both on the edge and interior 5/8" one-sided plush elastic with Capezio logo holds footUndeez in place