Look Integral

This requires the binding system to have the ability to move fore and aft on the ski to accommodate different sized boots.

The "Integral system" moved these flanges to a small extension on the bottom of the sole of the boot.

In North America, Spademan offered a system with similar advantages that controlled the market.

Most bindings now have easy-to-adjust sizing based on a lever that locks into a rack plate on the ski.

Others use a rack and pinion arrangement that moves the toe and heel bindings by the same amount by turning a single screw.

A pair of Nordica ski boots designed for use with the Integral system. The bindings clipped onto the extension on the bottom of the sole. As was typical of the era, the boots are a rear-entry design.