Shock Doctor Gel Nano Orange Mouthguard - Adult 11+ is a great high level mouthguard. Boil and bite to mould to your teeth. The Gel Nano Mouthguard is fully equipped with our inventive gel-fit liner. The gel liner has been designed to take a self-fit custom impression of your teeth upon purchase to ensure security and comfort throughout the guards lifespan. With your teeth nestled in the vertical wall frame the jaw line is secured limiting injury from side impact. High impact shock absorption. Increased athletic performance. Case included. 733313014920