As self-proclaimed mouthguard connoisseurs, we were eager to put the Shock Doctor Max Airflow 2.0 to the test. And let us tell you, this mouthguard did not disappoint. With its breathable wide opening mouthpiece, we felt like we were getting the ultimate oxygen flow while still maintaining top-notch protection. The adjustable helmet strap was a game-changer, ensuring that our mouthguard stayed securely in place no matter how intense the action got on the field. Not to mention, the sleek design and comfortable fit make this mouthguard perfect for both youth and adults. Overall, the Max AirFlow Lip Guard truly reigns supreme as the unbeatable Oxygen King of Mouthguards.