The Jawline is the only cheek/jaw protector that can be used with All-Star batting helmets without impacting the helmet's warranty or SEI certification. Addition of protectors other than the Jawline™ to All-Star batting helmets may void the helmet warranty, particularly if the helmet is altered to do so or adhesives of any kind are used, and the SEI certification can no longer be guaranteed. 

• For left handed batters
• Fits all All-Star batting helmets
• Includes all necessary mounting hardware
• Proper installation and use of the Jawline™ on an All-Star batting helmet does not impact the helmet warranty or SEI certification of the helmet