Active Power V-Lock 3.0 – The heart of Lange's all-new XT3, Active Power V-Lock is Lange's patented new multi-performance freetouring technology. Designed to get you up with ease, but powered for the down, Active Power V-Lock delivers an 11° increase in forward ROM in Hike mode, making long skin strides and hikes more efficient and less fatiguing. But lock it down for the descent with a Ski mode that offers the rock-solid connection of a traditional ski boot and you'll instantly feel the power, precision, and control you've been looking for when it's all about the down.
Friction-Free Hinge – Lange's Friction-Free Hinge delivers a critical free-touring solution: ROM efficiency. More efficient range-of-motion (ROM) provides the freedom for fluid, natural movements on the ascent, providing more flow for a more effortless, less fatiguing skinning and hiking stride.