Get a unique mix of materials combined with the latest Power Cage Construction in the Dalbello DS AX 90 Ski Boot. The My Fit Shell can be taken to an Authorized Dalbello Dealer who will heat the shell in a special oven. Once the shell is hot enough the bootfitter will place the shell on your foot. Once the shell starts to cool it will mold and adapt to the shape of your foot. The new Power Cage Construction adds reinforcements in key performance areas of the shell to drive your energy towards your skis and add responsiveness. Dalbello's DS Comfort Liner is packed with padding and heat moldable material to keep your foot comfortable and locked in place for all day comfort. A Contour 4 Shell has pre-punched areas in key fit zones that makes your skiing more efficient on the mountain.