scarpe sidi zero gore 2ZERO GOREPASSION NEVER STOPS TECNO 3 SYSTEM The TECNO 3 mechanism allows you to close the shoe along its entire length, adapting the upper to the shape of the foot and thus achieving a custom fit. The reliable Sidi closure systems, fully replaceable, have been improved thanks to a new type of cable that allows quick adjustment with extreme ease. Like most mechanisms used by Sidi, the TECNO 3 lever is sturdy and replaceable. SIDI HEEL Reinforced heel