Brought to you by the world's most innovative mouthguard brand. The OPRO Self-Fit Gold convertible mouthguard combines a dual layer outer construction with an ultra hi-flow gel inner channel to provide an outstanding level of comfort and protection. Includes a patented single compression cage; this revolutionary fitting technology harnesses the immense power of the jaw to compress the mouthguard over the teeth and gums for the perfect impression and truly unique fit. PERFORMANCE TECHNOLOGIES: Trusted by the Pros: Official Mouthguard Partner of over 75 professional federations worldwide, including AYF, Pop Warner, New Zealand Rugby and USA Wrestling Dual layer construction dissipates shock waves and reduces overall force, offering outstanding protection Patented single compression cage, harnesses the power of the jaw during fitting to create the perfect impression Patented fin technology which molds to the contours of your teeth and gums during the fitting process for a secure and unique fit Ultra hi-flow gel inner channel for superior comfort Cushioned air flow for enhanced breathability Mouthguard and Case contain Biomaster which protects them from microbial growth ADDITIONAL SPECS: Convertible tether allows the mouthguard to be strapped or strapless Meets National and State High School rules Clinically approved Latex Free and BPA Free materials Manufacturer' $15,000 Dental Warranty Ages 10+ Suitable for all contact sports