If you practice martial arts and combat sports you know that first and foremost is always safety. The Mouthguard Shock Doctor Ultra STC 2 is a protection of high quality to wear to feel safe and avoid trauma and injury to your teeth, mouth and jaw. The anti-shock technology with air pads cushions the impact of energy and provides a pleasant feel when the jaw is tightened. Made of gel, fits perfectly to the teeth and protects all teeth: from incisors to molars. The compact design promotes breathing. One size fits all from 11 years old and up.