Gel Max Mouthguard - Red - Heavy-duty rubber Exoskeletal Shock Frame and Gel-Fit Liner provide maximum protection, fit and comfort in an easy to fit triple layer design. Breathing Channel allows for easy breathing while clenched.FIT SYSTEM: Gel-Fit (1) GEL-FIT LINER custom molds to teeth for a tight, comfortable fit(2) EXOSKELETAL SHOCK FRAME heavy-duty rubber shock frame with integrated jaw pads provides maximum impact protection for the teeth, jaw and brain(3) TRIPLE-LAYER DESIGN with integrated breathing channel creates maximum protection, fit and comfort Features - Gel-Fit liner offers and exact impression of the teeth for a better, more protective fit - Exoskeletal shock frame absorbs the harmful vibrations of impacts and protects against concussions - Offers large breathing channels - Strapless - Once opened mouth guards cannot be returned - Not for use with braces - Latex Free