There is no substitute. The Battle Sports Beware Of Dog Oxygen Football Mouthguard is the original patented mouthguard designed and developed by athletic, dental and medical experts to deliver superior airflow and better performance. It delivers more oxygen to the muscles for faster recovery, clearer thinking and faster reaction times play after play. There's no boiling required and even works with braces.

• Helps open TMJ
• Maximum breathability
• Advanced composite
• Absorber shield
• Strap included
• One size fits most