A stellar boot for ripping up the groomers, the Rossignol Hi-Speed Pro 100 MV is a nice do it all boot with a medium flex and comfortable fit. The boots 100 flex index rating is just right for a skier seeking a blend of comfort and performance while a medium volume is ideal for a mid volume fit that blends comfort and performance. From crushing groomers to getting after it when the snows great. The Rossignol Hi-Speed Pro 100 MV is a do it all machine for that do it all comfort focused skier.