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CURRENT PRICE
$19.99
as of May 25, 2026
Independent Lab Review
Ultra-Slim Custom Fit Mouthguard
SISU
4.4
AVERAGE RATING
11K
REVIEWS ANALYZED
SISU Aero molds to your teeth in seconds, giving a lock‑tight fit that lets you talk, breathe and hydrate without hassle. Its high‑tech thermoplastic is 30% tougher than standard guards, delivering elite protection for high‑impact sports while staying virtually invisible.
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Live verified: 2026
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OFFER PRICE
$19.99
PROS
- ✓Custom‑molded fit that can be reshaped up to 20 times
- ✓30% stronger material with 8× higher tensile strength
- ✓Half the thickness of typical guards for maximum comfort
- ✓Compatible with braces and easy to talk, breathe, and drink
CONSIDERATIONS
- ⚠ Slim profile may feel too minimal for athletes who prefer a bulkier feel
- ⚠ Limited color options; only the athletic orange is offered
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Reviewed by Alex RiveraCSCS
Former competitive powerlifter and CSCS with 12+ years of experience in gear testing. Alex oversees the Athletica Score weights.
View full profile & recommendations →Last updated May 25, 2026. Data pulled from verified customer reviews and technical specifications. See full methodology.