FULL MOUTH PROTECTION: Shock Doctor Air Flow Mouthguard protects against impact for both upper and lower lips, with an airflow breathing channel for 10% more air flow capacity to promote easy breathing and increased performance. COMFORTABLE FIT: With an instant fit, no molding is required. The flexible Shock Doctor polymers and low profile bite pads ensure extra comfort. No more "winded" in the end zone. COMPATIBLE WITH BRACES: Keep your braces on while you hit the fields with our mouthguard to protect your orthodontic investment. DESIGNED FOR FOOTBALL: Our lip guard design and platform relaxes the jaw and prevents teeth from blocking the breathing channel. Includes a detachable helmet strap for football!