The Under Armour Braces Mouth Guard has a patented ArmourFit Material that shapes to braces to provide protection, safety and a custom fit. The ArmourFit material is hydrophobic. It will not absorb water and will not deteriorate. The Under Armour Braces is a better orthodontic mouth guard that is specially designed by a doctor. The Under Armour Braces Mouth Guard is the first microwaveable, boilable, re-fittable and chew resistant mouth guard designed specifically for braces. This mouth guard was designed for competition in all contact sports.