The Shock Doctor Gel Nano Convertible Mouthguard has twolayers and features a gel padding. The hard outer shellprovides great stability and therefore a reliable protection of theteeth. The blue gel padding allows for a tight and really comfortablefit and the outside walls are especially high in order to prevent jawinjuries due to frontal and lateral blows. Because of the small hole inthe front it is easier to breathe. In order to adjust the mouthguardeasily it comes with a detailed manual. The Monocoque Shock Framefeatures a very thin design and a lightweight structure, which absorbsimpacts partially. The Tri-Bite system, that stabilizes the jaw, thebite spot for the incisor teeth and the bite cushion for the back teethform a stabilizing triangle. Thanks to the Gel-Fit shape the mouthguardis adjustable and fits perfectly. The MORA technology improves theperformance under pressure and the jaw damping protects you fromconcussions.