A high performance boot with a low volume fit and performance liners is ideal boot for those skilled riders looking for a boot that can handle power. Tri-Fit Tech and Infrared Tech make these boots easy to get into and fully customizable to your foot. With a 98mm last, this boot caters to those narrow feet or those seeking a maximum boot to ski response and to make life just a little bit easier, the ProMachine 120 features GripWalk soles.