KEY FEATURES Quick Instep uses softer plastic at the instep improving wrap for a more secure hold while of course allowing for easier entry and exit Thermoforming Collar can be heat molded giving you a fit that?s both secure and comfortable C A S Construction gives you and your bootfitter unequaled potential for customization of fit ensuring you get the performance you want With the Tecnica Mach Sport 85 MV Ski Boot it?s all about fit And that?s a good thing because as you may have heard fit is the most important part of your boot So it?s built using C A S Construction giving this boot its distinctive dimpled texture that keeps the shell soft for superior wrap and therefore better hold and feel But it also lets your bootfitter easily ?punch out? the shell shaping the very structure of the boot to suit your foot Even the closure from the Quick Instep to the four Mach Sport Buckles and 35mm power strap allow you to get the exact hold and support you need to actually enjoy your time on the mountain Imagine that! SPECSLast Width 100Skill Level ExpertFlex Stiff