In 2008, Black Diamond started a revolution in skiing by introducing the Factor, a freeride-inspired alpine boot with a walk mode. That innovation continues for 2012 with the new Black Diamond Factor 130 Ski Boots. Now with a completely new liner, this powerful boot is warmer, stiffer and better fitting than its predecessor. For hard chargers who simply need one boot to do it all, this flex 130 boot continues its tradition of no-boundaries, no-compromise skiing performance. It includes BD Alpine Sole Blocks and is compatible with BD AT Sole Blocks with integrated tech inserts (sold separately).