Pro Machine 105 WThe Promachine 105 W has the pedigree of a race boot, just without any of the downsides. It's a close fit with a precision feel on snow and a firm flex. The use of Tri Force Construction and thinner shell walls make it light and responsive, as well as much easier to get in and out of compared to boots built just for the race course. An Isotherm 3D Cork and PrimaLoft liner adds impressive levels of comfort and custom fitting, as well as warmth and