Sisu Sports

SISU mouth guards — the thin, mouldable guard that lets you talk, breathe, and drink without removing it. Unlike bulky boil-and-bite guards that feel like you have a hockey puck in your mouth, SISU guards use a perforated, remouldable material that forms a tight, custom fit around your teeth.

Key features: 1.6mm thin (most guards are 4mm+), perforated for airflow and speech, remouldable — if the fit is not right, reheat and try again. Available in adult and youth sizes with multiple colour options. Popular with BJJ, Muay Thai, and MMA athletes who need to communicate during training without pulling their guard out every round.

SISU guards are not the cheapest on the shelf, but the comfort difference is immediate. If you have ever struggled to breathe through a standard mouth guard or spent half a round adjusting it with your tongue, SISU solves that.