Salomon SPX 45 Bindings Stomp it all consistency Designed to ride anything with good style, the 45 is our most adaptable binding. Plush support–from the Ergo Frame strap, dual-layer dampening pads and overflow highback padding–keeps the ride comfortable even during choppy, icy or chattery sessions. Quick-response characteristics come from a 45 percent carbon-loaded tray and a semi-stiff molded highback, which features either striped stitching or a metallic inlay for a noticeable hit of style. Features: Composite 45% base Optistream technology Filter highback 3D ergo frame CNC cut ratchet Bi Density heel padding Wrap strap IMS Disk Toolfree pad adjustment