Communicate better with highly breathable and speak-able InVent tech. Sink into full coverage, ultra comfort and easy fitting.•SLIM FIT: Less material, lower profile, better breathability•For the ultimate breathability and speak-ability•Shock-absorbing gel windows for added jaw protection•Gel-Fit Liner: Custom molds to teeth for tight, comfortable fit•Bio-Fit Design: Ultimate ease of speaking and breathing•InVent Tech: Boost airflow for greater breathability•Gel Windows: Adds shock absorption and total comfort•Form-Fit Chassis shaped to fit the natural dimensions of every tooth•Warm-water mold and fit - no boil•Latex Free, BPA Free, Phthalate Free