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A pair of late-model Flexon Comp ski boots. The cable closures are designed to hold the flex plate (black and pink) firmly against the front of the boot. The plate can be changed to modify the forward flex. The Flexon is a downhill ski boot introduced by Raichle in the winter of 1980/81. Based on designs by Sven Coomer, Al Gross and Erik Giese ...
Modern alpine ski boots have rigid soles and attach to the ski at both toe and heel using a spring-loaded binding. The interface between boot and binding is standardized by ISO 5355, which defines the size and shape of the hard plastic flanges on the toe and heel of the boot. Ski boots are sized using the Mondopoint system.
A long metal cable or spring ran around the back of the boot, over a flange protruding from the heel. The strap held the boot forward and kept the toe in the cup and under the strap. The system was designed to keep the toe firmly in place while allowing the heel to rise off the ski. This allowed for a smooth cross-country striding motion.
Alpine ski bindings have two functions: 1) Retaining the ski boot on the ski, 2) Releasing the ski boot from the ski in case of a fall to prevent injury to the skier. [11] The retention function typically involves stepping into the binding toe-first and pressing down with the heel of the ski boot, which causes a latch to engage the heel.
An evolution of the Huitfeldt designs was the replacement of the heel strap with a metal cable and springs. Invented in 1929 by the Swiss ski racer Guido Reuge, patented by him and marketed in 1932, the spring-loaded cable binding was named for the Lord Roberts of Kandahar Cup ski races. [ 6 ]
A follow-up design released in volume in the winter of 1965/66 used a new thermoplastic shell, hinged cuff, and latching buckles, and became the first commercially successful replacement for leather boots. By 1970 they were almost universal on the racing circuit, and selling hundreds of thousands of examples as the world's leading ski boot brand.