The SISU Aero large mouthguard is designed for players over 13  years of age.  Research suggests the taller you are, the larger your dental arch. And thus, a bigger mouthguard is required as height increases.  The SISU Aero  mouthguard large i

• Is for an athlete height over 6"
• 13+ years old
• Can be used with braces
• 1.6MM - 50% thinner than standard mouthguards
• Quick, custom and remoldable fit
• Non-toxic: BPA, BPS, Latex, PVC, Phthalate free

Sisu Aero large mouthguard is new and improved sizing system uses the findings of extensive research and testing to suggest the proper guard for you based on how you measure up.