The Lange RX series has always been known for the smoothest, silkiest feel in the boot world, and the new Lange Shadow 95 LV GW Ski Boots set a new standard for ride quality. By eliminating the "locked out" part of the spine where 2-piece shells are bolted together, and stabilizing the cuff-shell connection with a Suspension Blade that fastens at the heel, the Shadow 95 takes progessive to a new level. Fit Last: 100mm – A narrow last for thin and low-volume feet Flex Flex: 95 – A stiff flex for advanced to expert skiers. Liner Core Custom 3 Reactive Boost Tongue Shell Materials & Design Dual Core Technology – A "Power Injection" method allows Lange to inject two different durometers of plastic simultaneously through 5 injection ports, with the two plastics being directed to specific parts of the boot. The harder plastic goes to the heel, spine and lower shell to retain stiffness, while the softer plastic goes to areas that wrap the foot and lower leg for comfort. Suspension Blade Dual Pivot – Lange's Suspension Blade Dual Pivot design provides better snow feedback, better energey transfer, and more power with less effort. A revolution in performance and control. Shell – Polyurethane Cuff – Lyfran® Power Strap 35mm Velcro Strap Sole GripWalk ISO 23223 Soles