The Sirius Tri-layer mouth guard is a Gel fit liner mouth guard that offers a tight yet comfortable fit between the teeth and mouth region. Using a highly advanced rubber shock frame increased the overall protection for both teeth and the overall brain region when clenching down on the mouth guards. With a patent, internal wave design helps to absorb impacts on both the upper and lower mouth region. With an easy boil and bite application for a custom fit, supplied with a protective case and easy to use instructions makes this a great advanced style mouth guard for all related combats sports.