A ski boot that fits well is the key to enjoying a great day on the mountain with your family and friends. The Mach Sport HV 100, designed for intermediate skiers with high,volume feet or larger overall frames, is all about warmth, comfort and convenience, The NFS Liner is warm and supportive, providing a comfortable out,of,the,box fit. But if needed, you can add personal customization to the shell with Tecnica’s C.A.S. system to solve any additional fit problems. Double Quick,Instep and Lift,Lock buckles allow for easy entry and exit, while the 100 flex strikes the perfect balance between comfort and performance, allowing you to happily ski until the lifts stop spinning.