Nano protection for upper and lower teeth for high impact sports. This dual-arch, low profile mouthguard is designed to enhance upper and lower jaw protection. Featuring a Double Monocoque Shock Frame, it absorbs and disperses impact away from the point of contact. Double Monocoque Shock Frame, Tri-Bite Stabilizers, MORA Performance Enhancement, Convertible Tether, Gel-Fit Liner, Boil and BiteĀ Fit