The Tecnica Mach1 LV 120 Ski Boots deliver industry leading performance, customization, and out-of-the-box fit for everyday skiers ready to leave their boots woes behind them. The new Mach1 LV benefits from an evolution of of Tecnica's T.Drive technology, a nifty piece of engineering that connects the cuff and shell at the rear spine. T.Drive 2.0 is designed to maximize power transfer and ensure a consistent flex at all temperatures without causing the shell materials to overflex and deform. Throw in one of the best liners in the game and you have a boot you can count on for all day comfort and performance, all season long.