A premium high-performance freeride boot, the XT FREE 100 combines ski-hike versatility with Langes legendary downhill performance. Featuring our patented Power V-Lock technology, the XT FREE offers 43° range-of-motion for maximum mobility with no sacrifice to downhill power or precision. The lightweight Control Fit thermo-formable liner is reinforced in key areas for more comfortable hiking.Shell 2.0 SKI/HIKE SYSTEM WITH THE POWER V-LOCK TECHNOLOGY: Langes patented new technology opens up a greater range of movement (40°) in "hike" mode to increase mobility on ascents, while a new metal-on-metal locking mechanism for the shell and cuff in "ski" mode paves the way for a whole new level of performance and power on descents.Liner THERMO FIT LINERS: Langes RL1, RL2, and RL3 liners are thermomoldable and offer increasing foot retention levels (from RL1 to RL3), providing the right balance of comfort and performance for every skier.Soles GRIP WALK COMPATIBLE: GRIPWALK® soles feature a thick rubber tread and convex toe profile, offering increased traction and more natural foot roll for enhanced hiking and walking comfort. Integrated stiff pads guarantee optimized power transmission and full Alpine release function. GRIPWALK® kits sold separately.