Shock Doctor Ultra STC Black Mouthguard - Adult 11+ is a great high level mouthguard. Boil and bite to mould to your teeth. Fully equipped with a gel-fit liner the Ultra STC creates a snug comfortable mold to of your teeth ensuring a slip-proof fit. Protection is then taken to the next level with our advanced shock transfer technology. This technology is used to distribute impact away from the most vulnerable areas of the mouth keeping your front teeth out of harms way. Ultimate custom fit Increases athletic performance and High impact shock absorption. Case included. 733313020655