Shock Doctor Low Profile Lip Guard - Adult Safety comes first for athletes like you, and that means protecting even the small stuff. Keep your mouth and lips safe with the Shock Doctor Low Profile Lip Guard, an integrated lip guard constructed to protect your upper and lower lips. The dual layer design provides protection using a Gel-Fit arch for bit impression and alignment, with airflow channels that allows for breathing while your mouth is clenched. A convertible, quick-release tether allows the mouth-guard to be used strapped or strapless. Recommended for ages 11 and older.