Please see the sizing video for accurate fitting measurements before purchase, some people have larger and smaller jaw lines that might be better suited for a mouth guard outside the recommended age range. Protection, comfort, and fit are the key mechanics when designing the Velocity Champion Mouthguard. With over two years in the making and hundreds of fit tests with athletes of all ages and sizes, we know this mouthguard will perform every time it's worn Fit: Velocity Champion mouthguards form a tight and comfortable custom fit for your teeth. The three available sizes provide more of a customizable fit than most other mouthguards. Each mouthguard is designed with left and right integrated breathing channels for maximum inhalation Protection and Shock Absorption: High density elastomeric frame provides softness and flexibility, with a side wall construction that reacts naturally to blunt external force and your bite. Comes with an integrated port for wear with or without the provided strap Materials: Made with 100% recyclable friendly material, free from any BPA, latex, PVC, or phthalate Sizing: Adult-sized mouthguards are designed to fit most teenagers and adults. They are larger and have a broader coverage area to accommodate the size and shape of an adult's mouth. These mouthguards are suitable for individuals who have permanent teeth and a fully developed jaw Protection, comfort, & fit were the key mechanics when designing the Velocity Champion Mouthguard. With over two years in the making and hundreds of fit tests with athletes of all ages and sizes, we know this mouthguard will perform every time it's worn. Velocity Sports fills a fit gap by adding a third mouthguard size choice to the collection. We believe that when you purchase a mouthguard it should be as close to the size of the athlete's mouth as possible. This will ensure that the at-home fitting process will provide a tighter and more comfortable fit experience. Each mouthguard is manufactured with an integrated port for wear with or without the strap provided. With many colors available, you can sport your team color with pride. Whether you play low- or high-impact sports like Lacrosse, Football, Hockey, Basketball, Soccer, Boxing, Martial Arts, Field Hockey, or others, the Velocity Champion Mouthguard will protect champions of all ages.