Introducing the sisu mouthguard: an astonishingly thin, obnoxiously bright, boomerang-shaped hunk of technology revolutionizing mouthguards across the universe by offering more protection and less mouthguard. Adult, braces or not, for high-impact sports or a pick-up game in the backyard our complete line of high-tech sisu guards are the ultimate athletic mouth shields you once thought too good to be true.
Small- Up to 5’ (150 cm) for smaller mouths and children
Medium- 5’ - 6’ (150 cm - 180 cm) for average mouths.
Large- Over 6’ (180 cm); for larger mouths.