Designed for skiers with medium volume feet, the Mach 1 MV Concept boot was built to raise the bar for performance, fit and customization. It features C.A.S. Technology customizable shell, liner and tongue, an ultra precise feeling carbon co-injected cuff and T-Drive technology which is a revolutionary carbon fiber shell to cuff connection that allows the boot to function in a much more efficient way, resulting in a smoother more consistent flex, better performance and less energy required to ski at a high level. Demanding skiers will appreciate the Asymmetrical Power Transmission shell, which efficiently transfers all of your energy directly into the turn. Make no mistake, the Mach 1 MV Concept TD is a true thuroughbred. Get out there and ride.