The Under Armour® Adult Gameday Armour Pro Mouthguard is designed for protection and comfort while maintaining a low-profile. Get a custom fit with the gel liner while protecting your total mouth with integrate jaw pads. Details Mulit-layered design features protection and comfort Low-profile structure Gel fit liner for custom fit Added protection with integrated jaw pads Wear strapped or strapless Additional Details Fitting Instructions: Boil at low temp & bite Meets national and state high school rules