The perfect fit can make all the difference on the slopes. This is where Fischer’s Vacuum Fit technology comes in. This line of ski boots utilize heat molding technology that provides a true custom fit, where the Vacu-Plast plastic outer boot material are heated and then molded to fit the curves of your foot, ankle and even lower calf, while the Ultralon liners are also heat molded. In just 45 minutes the boots are customized to the degree that they’ll feel like an extension of the leg! Video after the jump