Custom-fit sports mouthguards
Custom Fit.
Custom Feel.
Custom Look.
Made from your own impression in our San Jose, CA lab. Built for the hits, shaped to your bite, and designed the way you want.
The lineup
Choose your guard
Four models, one custom-fit process. Pick the protection level for your sport, then make it yours. Compare models →
Origin
Reinforced impact zones for sports with heavy, direct hits.
Origin Pro
Extended coverage for teeth, gums and jaw.
NanoBite
Low-profile fit for easy breathing and talking.
PowerBite
Built for powerlifting and heavy training.
How it works
From your bite to your guard
Build & order
Pick your model, colors and custom logo or text. We ship you an impression kit.
Take your impression
Follow the step-by-step guide at home and mail your impression back to our lab.
We make it
Your guard is pressure-formed to your impression and finished by hand in San Jose, CA.
Why AlienGuards
Protection that's actually yours
Unmatched protection
Designed to absorb impact and disperse force, helping protect against chipped teeth and mouth injuries.
Comfort and fit
Our custom-fit process means a precise fit with no bulk, so you can breathe, talk and focus on the game.
Limitless customization
Colors, logos, text and full custom designs. Make the mouthguard you actually want.
Shop by sport
Built for your sport
Every guard is custom-fit. The model and thickness change with the hits you take.
Origin
Origin Pro
NanoBite
Origin Pro
NanoBite
PowerBiteThe AlienGuards community
In the ring. On the field.
Real athletes, real guards. Tag @alien_guards to be featured.
Verified reviews
What athletes say
Reviews from verified AlienGuards customers will appear here.
For gyms & teams
Join the AlienGuards Association
- 20% off team pricing on mouthguards and merch (excludes NanoBite & PowerBite)
- Custom personalization with your team logo and athlete names or numbers
- On-site fitting help at your location (minimum order)
- Simplified replacements, athlete models kept on file
The AlienGuards promise
Satisfaction guaranteed.
We stand behind every guard we make. If you're not 100% satisfied, we'll make it right or give you your money back.
- 01
Perfect-fit promise
Made from your own impression. If the fit isn't right, we'll make it right.
- 02
Remake or refund
Not 100% satisfied? We'll remake your guard or give you your money back.
- 03
Built in San Jose, CA
Pressure-formed and finished by hand in our own lab, not overseas.