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
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.