Review on Shock Doctor Max Airflow Lip Guard/Mouth Guard: Football Mouthguard 3300 for Kids, Youth & Adults - Breathable Wide Opening Mouthpiece with Helmet Strap by Dustin Woodrow

I bought this for my son who plays lacrosse. We had to switch to this type of mouthpiece when it started getting clamps at the top and bottom. He likes this kind much more than those that need to be shaped under the teeth. He said it was a lot easier to breathe with this guy. It fits perfectly in the mouth and protects his teeth well. The strap works well and attaches to the helmet with no problems. The only issue we had was durability. They only last a few months before they start cracking and breaking at the very back of the mouthpiece where the molars are located. I'm not sure if he chews it or if it's because he uses it more often and works out 3 times a week. Thankfully, they're not that expensive, so it doesn't matter.