The SISU Aero Mouthguardis the only is the best mouthguard for any field activity. Their slim fit makes communication on the field easy, protects the head and mouth, and creates a tight fit for proper wear on the field.Please note white, red, and clear mouth guards are occasionally not soldas they are against bylaws in some states and not well regarded by umpires due to the inability to see the athlete wearing a mouth guard or notice blood.ADVANCED TECHNOLOGYThe SISU Aero Mouthguard is the latest evolution in mouthguard engineering by the makers of SISU Guard. Simply put, it is the most powerful mouthguard weve ever built. With its unmatched quality and functionality, SISU NextGen was designed with the athlete in mind, and its unique new features are hyper focused on additional protection and comfort.MORE PROTECTIONThe Aero is made from a high-tech thermoplastic material that is 30% stronger and has 8x greater tensile strength than conventional mouthguard materials. This means that no matter how intense things get during game time, your SISU Aero has your back and your teeth.WAY LESS MOUTHGUARDThe most unique feature of the SISU Aero is its super-slim, ultralight design. At a lean 1.6 mm, the Aero is 50% thinner than your standard mouthguard. Combined with its quick, custom and re-moldable fit, youll entirely forget there’s something awesome and plastic inside your mouth.