The UnderArmour ArmourFit Mouthguard is an easy & perfect fit mouthguard for all players! The first microwaveable, boilable, re-fittable and chew resistant mouthguard on the market, the ArmourFit molds to your teeth for a tight, comfortable, custom-like fit. FEATURES: Designed for all contact sports ArmourFit™ technology provides a custom fit and chew resistance; allows easy breathing and talking $32,000 manufacturer’s dental warranty Latex free Meets NFHS® rules for use with braces Made in USA Adult size is best for ages 12 and up, Youth size is best for ages 11 and under.