Featuring a low profile design that offers maximum airflow, the Shock Doctor(R) Adult Gel Max Power(TM) Mouthguard boasts triple layer technology with an inner grid for elite impact protection. Custom Mold, Maximized Comfort Gel-Fit(TM) liner provides a soft interior that comfortably contours around your teeth Boil and bite compatibility allows you to mold for a tight, natural fit Low profile design offers a minimal frame to maximize airflow Superior Impact Protection Triple layer technology with integrated inner grid provides comfortable impact protection for better performance Redesigned monocoque chassis provides strength and durability to protect the jaw MORA enhancement reinforces mandible alignment Additional Details For ages 11 and up Boil and bite fit Includes convertible tether