Air Tech Evolution - TPerformance versatile ice axe for mountaineering, now a "classic" in its category. Ice axe capable of providing a truly excellent performance. The steel blade hot forged in one piece makes it light, balanced and solid. The G bone shaft with lateral grooves allows greater resistance with a lower thickness, for an excellent ergonomic grip along the entire shaft. The new rubber grip at the bottom makes it more comfortable to use on steeper terrain. You