The Black Diamond Factor 130 alpine touring boot, is a stiff freeride boot offering a no compromise alpine skiing performance with touring accessibility. The Triax-pro frame offers superior performance and control along with the plastic tongue for a smooth evenly distributed flex pattern. The ski/walk mode gives you 20 degrees of resistance free touring motion either on your skins or boot packing. Powerfit liner that is thermo moldable and has the wonderful Boa closure system offers maximum fit and on the go adjustability the Aspen Aerogel insulation keeps you warm and dry on those longer days. If you want a stiff performance touring boot the black Diamond Factor 130 is yours. Comes with a ISO alpine DIN sole, and is compatible with the AT sole (sold separately)