The Shock Doctor(R) Adult Ultra Double Braces Convertible Mouthguard provides exceptional protection for athletes of all sports with upper and lower braces. Featuring Insta-Fit(TM) Plus technology, the Ultra Double Braces guard fits around your brace brackets and adapts to changes in tooth position. Three layer construction stabilizes teeth and increases retention. Meets NFHS rules for wrestling. FEATURES: Convertible mouthguard for strapped or strapless use Designed for use with double braces Insta-Fit(TM) Plus technology fits around brace brackets and adapts to changes in tooth position Three-layer construction: Flexible outer shell conforms to teeth and brace brackets Internal core stabilizes upper and lower teeth Low-perimeter Gel-Fit below brace brackets for increased retention Meets NFHS specifications for wrestling rules requiring full coverage of upper brace brackets in wrestling meets Model: 4801A Shock Doctor