To accomplish this, Lange came up with the first assisted performance & suspension skiboots. The Shadow is a new era of all-mountain skiboots, reconciling performance and comfort. This skiboot is destinated for those who are fully committed. Without nuance or contrast. Those whom passion follows like a shadow. Everywhere. Assisted Performance, It's means get more out into what you putt in: less energy, more power out, more absorption, more comfortable skiing and better on-now contact feeling. It's a mechanical advantage created by 2 innovations: dual pivot and suspension blade. Dual pivot: 1 leverage point and 2 pivot points putted far away from eachother, to create mechanical advantage, gonna get more you putt in the more you get out. emplify energy in power. engage the full lenth of the boot. Transmitting the power with less effort, it's assisted efficienct. Suspension Blade: excellent connection between upper and lower cuff, to move together. Absorbing energy with no fix points. Really consistent clean flex. Smooth connection. Personnalisation of the flex: 4 different options of stiffness (adjustable performance). Comfort: new one piece padding liner, seamless padding. New asymetrical toe box, more comfort. Excellent first fit. Core Custom 4: good level of thermoformage efficiency Shadow 100 MV: standard foot. Level beginner / intermediate People looking for efficiency, better performance without same physical abilities. Less effort, more power. ALl type of terrains, all skiing conditions. Gripwalk footbed, walkability +, grip +. Recycled material on the shell (same level of performance).