The Solar II Carbon Yellow ski touring boot is a lightweight model designed for skiers who are looking for performance in the climbs. The shell and gaiter are made of Pebax Rnew, a lightweight polymer that can absorb impacts and retains an even flex no matter the temperature. The Rnew version of this means it is made from recyclable materials. In the ascents, the 68° range of motion is ideal for long strides. In ski mode, you can adjust the forward lean angle to match your skiing style. The Boa closure system offers precise support and prevents pressure spots.  What are the main qualities of the La Sportiva Solar II Carbon Yellow ski boot?  Lightweight  Comfortable  Forgiving Ski touring boot La Sportiva ---Solar II Carbon Yellow