The Nordica Speedmachine 120 is an excellent selection for the advanced to expert skier, with a medium to narrow foot and leg shape that loves to charge on the frontside of the mountain.A 3D Cork Fit Liner has cork enclosed in the heel and ankle pockets that has the ability to be heat molded for a finely contoured grip on your foot. Cork also has a very high amount of power transfer, and great insulating properties, for extra performance and warmth. The Speedmachine 120 also has Nordica's new Infrared Customizable Shell that allows an authorized Nordica Dealer to heat the shell using a special lamp, and an air pump to expand the shell for a perfectly dialed in fit. A 45mm Strap delivers a tremendous amount of rebound, while keeping a frim wrap across your shin. High Traction Dual Density PU Soles make walking through the lodge on slippery floors or hiking up to some fresh turns on rocks or ice easier.