The Shock Doctor Ultra2 STC adult mouthguard provides comfort and secure protection for your teeth, letting you concentrate on your activity. Featuring an advanced compression gel-fit, the mouth guard ensures a better fit and a deeper bite, and the aero-cushioned anti-shock pads deliver this great protection and comfort. The low-profile mouth guard lets you speak and breathe more easily and the high-impact protection that it offers means you can use it for boxing and other martial arts.