Gel Max Fit system includes a Gel-Fit Liner which allows for a custom mold to your teeth for a tight, comfortable fit. The Exoskeletal Shock Frame is a heavy duty rubber shock frame with integrated jaw pads that provides maximum impact protection and minimized impact transfer. The triple-layer design provides an integrated breathing channel that creates maximum protection, fit and comfort. The convertible tether provides quick-release and allows the mouthguard to be used strapped or strapless. Latex free. Not for use with braces.