The Shock Doctor Gel Max mouthguard has a gel-fit liner designed to fit your teeth comfortably and provide the protection you need. The GelMax mouthguard delivers essential protection and comfort with a convertible tether that allows the mouthguard to be used strapped or strapless. This triple layer mouthguard provides a universal fit and is an all-around performer. This mouthguard is a top seller at Lax.com.