SISU
Sisu Aero Mouthguard
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New sizing system for SISU Aero!
DETAILS:
- Small/Medium: 1.6mm thin; Large: 2.0mm thin
- 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
ADVANCED TECHNOLOGY
The SISU Aero Mouthguard is the latest evolution in mouthguard engineering by the makers of SISU Guard. Simply put, it is the most powerful mouthguard we’ve ever built. With its unmatched quality and functionality, SISU NextGen was designed with the athlete in mind, and its unique new features are hyper focused on additional protection and comfort.
MORE PROTECTION
The Aero is made from a high-tech thermoplastic material that is 30% stronger and has 8x greater tensile strength than conventional mouthguard materials. This means that no matter how intense things get during game time, your SISU Aero has your back and your teeth.
WAY LESS MOUTHGUARD
The most unique feature of the SISU Aero is its super-slim, ultralight design. At a lean 1.6 mm, the Aero is 50% thinner than your standard mouthguard. Combined with its quick, custom and remoldable fit, you´ll entirely forget there's something awesome and plastic inside your mouth.
SISU AERO IS THE BEST MOUTHGUARD FOR TEAM SPORTS:
- HOCKEY
- LACROSSE
- SOCCER
- BASKETBALL
- ROLLER DERBY
- And more!
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Return Policy
Return Policy
Return/Exchange Policy
If you are not satisfied with your purchase, simply return it in its original condition, along with the original receipt to our store within 30 days for an exchange or refund. This policy does not apply to all items. Refunds will be given in the same tender as received for the purchase.
Items returned without a receipt will be given store credit.
Items returned due to customer error are responsible for all shipping costs.
Skate Returns
Skates must be in original condition and cannot have been worn to skate in.
Custom skate orders can not be returned.
Other Items Returns
Items must be in their original packaging and in an "as new" condition.
Online Order Returns
Please contact orders@quadrepublicskateco.com to return items purchased online.
Refunds take between 5-10 business days to process.
The Customer is responsible for all costs associated with shipping returns.






Sizing Help
1. Measure Your Feet
You need a few things:
- Socks
- A tape measure with measurements starting at the beginning of the tape, without a gap (ideally, a fabric tape measure).
- A wall (without moulding sticking out at the bottom)
- A box
Step 1
Lay the tape out with the zero starting at the wall.
Step 2
Step on the tape with your socks. Measure the longest part of your foot.
Step 3
Place a box just at your toes, put your weight on the foot you are measuring, lean slightly forward, and give your toes a wiggle (if the box nudges forward a little that's fine!).
Step 4
Gently move your foot off of the tape measure. Take note of the length to the nearest 16th of an inch or the nearest mm.
You are now ready to use our sizing calculator! Select your range in millimeters in the down menu menu below. If you have a size that is outside of the range listed below book an appointment so we can discuss what size is best for you.
IMPORTANT Notes about Fit
- Your skates will feel more snug than your street shoes! This gives you maximum performance and minimizes discomfort.
- Ideally, your toes will lightly brush the front of the skates when laced up. To get a true idea of fit, you need to lace up your skates. Lacing your skates pulls your heel back into the heel cup, and gives you a true idea of how much room you have in the toe box.
- Yes, your toes should really be touching the end of the toe box! This is to avoid the boots fitting too loose once broken in, and prevents blisters and discomfort in shins or calves. If you do not want a snug fit please adjust your size accordingly.
- This is intended as a guide and put together using the measurements from the manufactures. Unfortunately we can not guarantee the sizing, we highly recommend visiting a physical store to be sized in person to ensure the best fitting skate.
2. Select Your Brand and Size
Using the drop down menu below, please select the brand of skate or plate you are shopping for.
3. Shop For Skates!
Take note of your size, and start shopping!
If your size is out of range, please contact our customer service team for help finding your size.