Very high protection thermoformable mouthguard, it ensures effective protection of the upper and lower part of the teeth. New technology mouthguard, very comfortable for the gums with strong cushioning against head blows thanks to the absorbent gel which allows a high compression rate. The hard core of the mouthguard allows to distribute the impact of the shock. This technology protects against fractures and dislocations of the jaw, internal lacerations, broken teeth and multiple bruises. When properly molded, the teeth are held by the gel which allows great stability of the jaw. In short, a must-have if you don't like dentists. No more mouthguards that hinder your breathing when you open your mouth! Unlike the vast majority of other mouthguards, all Shock Doctor brand gel mouthguards will remain attached to your upper jaw when you open your mouth to breathe. Thermoforming tip: - Place your Shock Doctor mouthguard in boiling water for 90 seconds, without letting it touch the bottom. - Take it out, then dip it in cold water for 1 second to refresh the top layer of gel. - Insert your mouthguard in your mouth and clench your teeth for 20 seconds. - Dip the mouthguard again in cold water for 30 seconds so that the gel hardens and retains the imprint of your teeth. If the molding is successful, your Shock Doctor mouthguard will hold itself to your upper jaw when you open your mouth. Senior size: + 11 years