Protection for athletes with braces seeking protection for both upper and lower teeth. The Double Braces mouthguard is specifically designed to conform to upper and lower brace brackets for instant comfort and prevention from lacerations. Made with 100% medical-grade silicone, it adapts to changes in mouth structure as teeth adjust. Available in strapped or strapless versions. ? 100% medical-grade silicone?no boiling required ? Quick-release helmet tether (strap model) ? Breathing channels ? Instant fit Sizes: Adult (Age 12+); Youth (Age 11-)Shock Doctor 4300 Double Braces Mouthguard, Youth STRAPLESS, BLUE