There is no substitute. The Battle Sports Nightmare 2.0 Oxygen Lip Protector Mouthguard is the original patented mouthguard designed and developed by athletic, dental and medical experts to deliver superior airflow and an improved performance. It helps deliver more oxygen to your muscles for a faster recovery, clearer thinking and better reaction times play after play.

• No boiling required; Works with braces
• Helps open TMJ
• Offers maximum breathability
• Advanced composite and absorber shield
• Patented design leverages SCUBA breathing innovations
• Largest breathing hole on the market
• Comes with attachable strap
• One size fits most