Shock Doctor Gel Max Adult Convertible Mouthguard With the Shock Doctor Gel Max Convertible Adult Mouthguard your style is up to you. The popular, reliable mouthguard gets an upgrade with a convertible tether that allows it to be used withor without a strap. Available in black or blue with black, this mouthguard has a triple layer design for protection and a Gel-Fit liner for comfort. Ages 11 and older. Please choose color. Features: Exoskeletal shock frame Triple layer design with integrated breathing channels Gel-Fit liner for added comfort Convertible tether allows for mouthguard to be used either strapped or strapless Easier to fit Item # 1384275