For the expert skier looking for a high performance machine but that needs a little more room, the Mach1 130 MV is for you. With a medium volume, 100mm last, the anatomically shaped C.A.S. Liner and C.A.S. Shell offer an amazing out-of-the box fit. Need more customization? No problem. With C.A.S,. customization is quick and easy. And with a 130 flex, this boot can take you where ever you want to go.