Shock Doctor has made their best mouth guard even better! By improving the gel-fit liner where your teeth sit, the Gel Max is now easier to fit correctly. In addition, they've engineered the mouthguard to have a convertible tether so you can wear your Gel Max strapped or strapless. All these improvements were made without sacrificing the great fit, comfort and protection you expect from the always reliable, never-fail Gel Max Mouthguard. ExoSkeletal Shock Frame provides impact protection Ultimate custom gel fit technology molds to teeth for a tight, comfortable fit Multi-Layer construction with an internal shock-absorbing frame offers protection and fit that outperforms conventional mouthguards Convertible Tether to use strapped or strapless Shock Doctor Gel Max Mouth Guard in Blue