ADJUSTABLE AND REPLACEABLE MICROMETRIC LEVER: X -3 uses a closure with four levers, each consisting of a toothed strap and a coupling with micrometric adjustment memory. Lever, strap and hook are easily replaceable. The levers have only one fixing point (via a screw) and this allows an easy closing of the same allowing the boot to adapt to the position of the rider. The peculiarity of the boot is that the four levers work independently of each other. This system allows the boot to adapt more easily to the various positions of the leg, making it more comfortable.
FLEX SYSTEM: To obtain greater driving performance, the boot adopts, on the rear load-bearing structure, a detail similar to the Vertebra system used on racing boots, which makes it more articulated and, where the plastic of the heel ends, the joint, the Flex system system.