The Max AirFlow is the Oxygen King of all the Lipguards. Take a deep breath of 10% more flow capacity (Greatest of all Lipguards) via our AirFlow breathing channel. The updated design and platform relax the jaw and prevent teeth from blocking the breathing channel, adding even more flow capacity. Our flexible, proprietary Shock Doctor polymers and integral bite pads ensure max comfort and easy, no-mold fit. No more "winded" in the end zone.Features:.