SISU Aero Medium Mouthguard Review (2026)

Price

Starting at: $19.99 USD (Prices may vary by color and retailer.)

Available Colors

• Snow White

• Charcoal Black

• Hot Pink

• Purple Punch

• Liberty Camo

• And several other color options

Overview

The SISU Aero Medium Mouthguard is designed for athletes who want maximum comfort without the bulky feel of traditional mouthguards. At just 1.6 mm thick, it's significantly thinner than most standard mouthguards while still providing excellent protection.

It's a popular choice for lacrosse players because it's easy to breathe, talk, and drink without removing it. Even better, it can be remolded up to 20 times, making it a great option for growing athletes or players with braces.

Key Features

Ultra-Thin Design

The 1.6 mm profile feels much less bulky than traditional mouthguards while still providing reliable protection.

30% Stronger Protection

Made from a high-tech thermoplastic material that is designed to provide excellent impact protection in a slim design.

Remoldable Up to 20 Times

Didn't get the perfect fit the first time? Simply reheat and mold it again.

Braces Compatible

The SISU Aero works with braces and can be remolded as teeth shift during orthodontic treatment.

Easy to Talk and Breathe

Its slim profile allows athletes to communicate more clearly and breathe comfortably during games.

BPA, BPS, Latex, and PVC Free

Made from non-toxic materials for added peace of mind.

Pros

• Ultra-lightweight

• Comfortable low-profile fit

• Easy to breathe and talk

• Remoldable up to 20 times

• Compatible with braces

• Durable construction

• Available in many colors

Cons

• Firmer feel than gel-style mouthguards

• May not fit comfortably for players with significant overbites

• Requires careful molding for the best fit

Performance

The SISU Aero stands out because it doesn't feel like a traditional bulky mouthguard. Once properly molded, it stays securely in place while allowing players to communicate naturally and breathe with ease.

Its slim design makes it especially popular in fast-paced sports like lacrosse, where communication and endurance are important.

The ability to remold the mouthguard multiple times is another major advantage, especially for younger athletes whose teeth continue to change.

What Customers Are Saying

Overall Rating: 4.4 out of 5 (8,400+ reviews)

What Customers Like

• Extremely lightweight

• Comfortable fit

• Easy to mold

• Great for athletes with braces

• Easy to talk while wearing

• Durable even after multiple remolds

One customer shared:

"Best mouthguard for comfort and protection. I can actually talk in this and feel protected against hits."

Another parent wrote:

"My daughter got braces during the season, and we simply reheated and reshaped the mouthguard instead of buying a new one."

Common Complaint

Some users mention that the mouthguard feels firmer than traditional gel mouthguards. A few players with overbites also reported difficulty achieving a comfortable fit.

Who Should Buy It?

The SISU Aero Medium Mouthguard is a great choice for:

• Lacrosse players

• Football players

• Hockey players

• Basketball players

• Athletes with braces

• Players who dislike bulky mouthguards

• Youth and adult athletes looking for a lightweight option

Final Verdict

The SISU Aero Medium Mouthguard is one of the best mouthguards available for lacrosse players who value comfort, communication, and breathability. Its ultra-thin design allows athletes to talk, breathe, and drink more naturally than many traditional mouthguards.

While it may feel firmer than gel-style options and may not suit every bite type, its excellent protection, remoldable design, and braces compatibility make it an outstanding choice for most players.

Specifications