A truly innovative mouth guard and our highest-level offering. The inner layer is a low density, highly moldable material capable of achieving an unrivalled fit, while the outer wall is is a high impact-absorbing thermoplastic composition, giving a smooth and comfortable feel. Between the 2 layers is our unique Shockcage, adding rigidity and impact absorption, whilst also looking amazing through the clear outer wall. The mouth guard is also infused with Biomaster Silver Additive, making it inherently anti-microbial. Features Biomaster – Treated with Biomaster Silver to protect the gum shield from unwanted growth for the duration of its use, meaning your mouth guard will always feel fresh and ready to wear. 4X Stronger – Our Nitro mouth guard surpassed industry compliance standards by a margin of over 4X in impact absorption tests.