Increase your performance in a smaller, lighter package. Simply put, the Nano 3D is the ultimate self-fit mouthguard. Simply put it in your mouth and be shocked at how small and comfortable it is. Simply put it in your game and discover how protective and effective it is. The Nano 3D features a lower profile, a closer fit and far less bulk — 1/3 smaller than standard mouthguards. The Nano 3D is designed with integrated breathing channels that allow you to breathe deeper and speak freely. Plus, the Nano 3D is built with MORA- (Mandibular Orthopedic Repositioning Appliance) engineering that may help an athlete perform with increased strength and power.