AERO
Custom fit protection for when communication is critical.
SHOP NOWMAX
Extra protection for high impact sports and positions.
SHOP NOW![Flat Mouthguard](https://cdn11.bigcommerce.com/s-mnx5b05th9/stencil/9b48ee20-84f9-013b-8cdd-36f4273b0a37/e/ad3704c0-4b2e-013d-d45b-4e954b65ccb0/img/sisu/theme/home/flat2fit-1.jpg)
Most Protective Mouthguard On The Planet
SISU Mouthguards are engineered to withstand impact. Built-in perforations redirect impact forces to protect you from the toughest hits.
99.996% Effective
SISU Mouthguards are astonishingliy thin and comfortable. Perforations allow our athletes to talk, breathe, and drink with ease.
Ultra comfortable
SISU Mouthguards mold to the unique shape of your mouth. The guard remains in your mouth the entire game or practice - you never need to take it out.
Freedom to play
Like a seatbelt for your teeth
SISU Mouthguards are made from a unique medical grade thermo-polymer which is 30% stronger and can be remolded up to 20 times.
Remoldable up to 20 times
SISU Mouthguards are designed for a perfect fit and maximum impact. The thinnest and strongest mouthguard available.
Fits like a glove
SISU Mouthguards are the perfect match for athletes with braces. Visit our fitting with braces page for more details.
Best mouthguard for braces
![Molded Mouthguard](https://cdn11.bigcommerce.com/s-mnx5b05th9/stencil/9b48ee20-84f9-013b-8cdd-36f4273b0a37/e/ad3704c0-4b2e-013d-d45b-4e954b65ccb0/img/sisu/theme/home/flat2fit-2.jpg)