Sisu Mouthguards

SISU Aero Guard 1.6 Medium Mouth Guard

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The SISU Aero Guard 1.6 Medium Mouth Guard

The most unique feature of the SISU Aero is its super-slim, ultralight design.

  • Up to $50,000 - limited dental warranty

  • Works With Braces Medium and Large only

  • Talk, Breathe, and Drink - with ease

  • Remoldable - up to 20 times

New sizing system for SISU Aero!
Research suggests the taller you are, the larger your dental arch. And thus, a bigger mouthguard is required as height increases.

The 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.

Check out the Size Chart to find your perfect fit.

  • Small/Medium: 1.6mm thin; Large: 2.0mm thin

  • Starts flat and is molded to the shape of your mouth

  • Up to $50,000 limited dental warranty

  • Ages 7+ (Use Medium or Large with braces)

  • Aero Medium and Large are compatible with braces (Aero Small is not)

  • Aero Small can be used as a junior mouthguard or for adults with smaller mouths

  • Non-toxic: BPA, BPS, Latex, PVC, Phthalate free

Size Guide 
Small Formally JR Size: Recommended for ages 7+ or smaller mouths 

Medium Recommended for ages 11+ and average mouths *****

Large NEW SIZE: Recommended for ages 13+ and larger mouths 


Sisu mouthguards come with a warranty - register your mouth guard

If your child wears braces, use the Aero Guard regardless of age.


5 Reviews Hide Reviews Show Reviews

  • 5
    So Comfy

    Posted by Theresa on 18th Oct 2020

    I really love this mouthguard! I barely even notice it's there it's so comfy! I can drink water and talk just fine.

  • 4
    Fits well

    Posted by Chantelle Kennedy on 29th Jan 2020

    Took 2 tries to get it right. It fits well after I got it. Can talk and drink with it in no problem.

  • 5
    Sisu is best

    Posted by Cherry Von Villain on 12th Sep 2018

    The Sisu mouth guard is the best mouth guard for sports like roller derby. No other mouth guard fits as perfectly as one you can customize yourself! Love this brand!

  • 5
    Feel great in my mouth

    Posted by Unknown on 28th May 2017

    Unlike other mouth guards this one fits secure in my mouth. I had to shape it twice in the first fitting but I finally got it in second by watching the videos and rereading the instructions. I can actually speak with it in my mouth and drink.

  • 3
    Mouth guard

    Posted by Unknown on 15th Feb 2016

    They are easy to mould to the mouth but if you have braces I wouldn't suggest them