Tougher protection with more comfort. The new Shock Doctor Power Gel DNA Convertible Mouthguard - Adult reduces jaw injuries caused by front and side impacts. The dual density semi-rigid exoskeletal frame, rear molar cushions and solid outer shell form an indestructible mouth shield -- without sacrificing comfort. The soft Gel Fit material custom molds to teeth for a tight, comfortable fit. With its convertible quick release tether, the Shock Doctor Power Gel DNA converts to either a strapped mouth guard or a strapless mouthguard. Includes a tether strap. From Shock Doctor. Adullt.