Looking to relieve some discomfort in the boot? The Tecnica Mach Sport MV 90 Ski Boot is here to save the day without breaking the bank. With a 103mm last there is plenty of room for comfort and to accommodate wider feet. The Celliant Insulation uses your body heat to create infrared energy which results in enhanced performance, recovery, and thermal regulation. This boot features a customizable CAS shell and GripWalk soles.