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SISU 1.6 Aero Guard Mouthguard available in Medium size for most adults.
Large in white only.
Sisu mouth guard, one of roller derby's most popular mouth guard. As invisible and ultralight as the air for which it was named, SISU Aero is the 1.6 mm high-tech mouth guard that started it all. Designed for athletes who prefer to easily talk, breathe and drink during game time (otherwise known as: all athletes), the Aero is revolutionizing mouthguards one mouth at a time.
