The AX740 has the Exclusive "AOS" 4

positions the lower jaw down and forward and the tongue up onto the roof of the mouth

Quick-release helmet tether (strap model)

The Braces Mouthguard

writable game card and game pencil with eraser

Gel Nano Double Convertible Colour:Azul The AX740 has the ExclusiveNano protection for upper and lower teeth for high impact sports. This dual arch, low profile mouthguard is designed to enhance upper and lower jaw protection. Featuring a double monocoque shock frame, it absorbs and disperses impact away from the point of contact. CLASSIC FIT: Traditional and original, all around performer High impact technology for high impact sports Protects, stabilizes both upper & lower teeth jaw