Alpinestars: limited edition Kenny Roberts Sr. boots arrive.

The occasion of Grand Prix of the Americas of MotoGP held on the track of Austin, Alpinestars presented a new version of the boots Supertech R, with the Limitated Edition Kenny Roberts Sr.

Kenny Roberts Sr he was 500 World Champion three consecutive times, the first American to win a motorcycling world championship, and he also won the AMA Grand National championship and the AMA Grand Slam twice. King Kenny as well as numerous victories, to be precise: 24 victories, 44 podiums, 22 polpositions and 27 fastest laps, he was one of the first to drive 'in a modern style' by placing his knee on the ground.

To celebrate the legend of King Kenny, Alpinestars so he decided to dedicate a Limited Edition of the boots to him Supertech R. The boots are equipped with all the technical innovations, but the livery is unique and special, just like the one used by the American rider.

Some features of the boot Supertech R. The composite rubber outsole offers excellent grip and feel and allows for natural flexibility as the rider changes position and pressure on the footpeg. The shin guard It has an ergonomic profile and a redesigned front front section. The upper is made of microfibre technique and offers superb levels of flexibility. There is protection on the outside TPU, ergonomically shaped and wraps the external calf. It is designed to dissipate impact energy across the entire surface while remaining compact. The separate internal biomechanical ankle works with the external structure of the boot to form a protective system that allows full and free movement of the foot, ankle and leg. New research has produced re-profiled double-tab internal and external torsion bars to provide greater impact protection to the ankle by progressively absorbing flexion and rotation stress, reducing pressure and hyperextension injuries to the leg joints.

The price of the limited edition dedicated to is $499.95, approximately 441 euros.