Patented Fins 13 anatomical fins in superior hi-flow material shaped and spaced to accurately fit teeth morphology. Once fitted these are broken down to give a superior custom-fit inner channel. Cradle Enables an easy and accurate fitting process ensuring minimum guaranteed thickness of bite surface and producing air-cushioning system. After removing the cradle, side air cushions are created giving incredible comfort, cushioning and protection Palate Wide open front palate for ease of breathing and speaking