Injected Ankle Strap contours to the shape of your boot and provides long-term support. The aluminum EDGE™ Chassis System features stance correct heel cup and Micro-Disc mounting system. Phenom Highback provides a mix of response and comfort. NEW! Linkage Ratchets are built for durable performance. The Phenom is a scaled-down version of our high-performance bindings and will meet the performance requirements of riders of all ability levels.