AlienGuards athlete smiling with his custom mouthguard

Custom-fit sports mouthguards

Custom Fit.
Custom Feel.
Custom Look.

Made in the USA from your own impression and finished by hand. Built for the hits, shaped to your bite, designed your way.

Start Your Build How it works
Custom-fit from your impression Made in the USA Satisfaction guaranteed
Combat sports MMA Football Hockey Lacrosse Rugby Basketball Jiu-jitsu Lifting Motocross

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 custom-fit mouthguard
Most popular · Combat

Origin

Reinforced impact zones for sports with heavy, direct hits.

From $104.99 Build →
Origin Pro custom-fit mouthguard
Breathable · Combat

Origin Pro

Same 5 mm protection as Origin, more breathable and comfortable.

From $129.99 Build →
NanoBite custom-fit mouthguard
Ultra-slim

NanoBite

Low-profile fit for easy breathing and talking.

From $94.99 Build →
PowerBite custom-fit mouthguard
Strength & lifting

PowerBite

Built for powerlifting and heavy training.

From $99.99 Build →

How it works

From your bite to your guard

Impression instructions
01

Build & order

Pick your model, colors and custom logo or text. We ship you an impression kit.

Takes 2 minutes
02

Take your impression

Follow the step-by-step guide at home and mail your impression back to our lab.

Guide + QR video included
03

We make it

Your guard is pressure-formed to your impression and finished by hand in the USA.

Tracked at every step

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.

White Origin mouthguard with green custom text on a dark stage

Shop by sport

Built for your sport

Every guard is custom-fit. The model and thickness change with the hits you take.

Combat sports mouthguards OriginCombat sports MMA mouthguards Origin ProMMA Jiu-jitsu mouthguards NanoBiteJiu-jitsu Football mouthguards NanoBiteFootball Hockey mouthguards NanoBiteHockey Lifting mouthguards PowerBiteLifting

The AlienGuards community

In the ring. On the field.

Real athletes, real guards, straight from @alien_guards. Tag us to be featured.

AlienGuards athlete with a custom mouthguard @alien_guards Yellow AlienGuards mouthguard with a custom logo @alien_guards AlienGuards boxer sparring in an AlienGuards shirt @alien_guards Pair of custom-name AlienGuards mouthguards @alien_guards AlienGuards MMA athlete in fight gloves @alien_guards Black FAITH custom AlienGuards mouthguard @alien_guards AlienGuards boxers holding trophies after a bout @alien_guards White and red fang AlienGuards mouthguard @alien_guards Boxers at the gym with AlienGuards @alien_guards

Athlete reviews

Be the first to review

Wore your AlienGuards in a fight, a game or a heavy lift? Tell us how it fits. We read every one.

Write a review
Rating

For gyms & teams

Join the AlienGuards Association

  • 20% off team pricing on every mouthguard, including NanoBite & PowerBite, plus merch
  • 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
Apply for team pricing
AlienGuards team photo at a boxing gym

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.

  • Perfect-fit promise

    Made from your own impression. If the fit isn't right, we'll make it right.

    01

  • Remake or refund

    Not 100% satisfied? We'll remake your guard or give you your money back.

    02

  • Made in the USA

    Pressure-formed and finished by hand in our own lab, not overseas.

    03
Start Your Build How it works