Description The all-round Atomic Backland XTD 100 GW is a medium flex touring boot built for powering wider skis and maximizing walking efficiency. One of the best skiing and most versatile boots in the Backland Series, the Atomic Backland XTD 100 GW is a medium flex boot built for powering wider skis and maximizing walking efficiency. Featuring a 100mm medium touring last and 74Adeg cuff range of motion which allow the foot to move naturally while touring yet offer a secure foot hold for powerful skiing, this is the most versatile and best skiing Backland boot. Constructed with Prolite Technology for the slimmest possible profile with reinforced areas where strength is needed, this lightweight and robust boot delivers supremely powerful skiing. Heat-moldable Memory Fit allows for total customization of the fit while the shell design improves step-in/out and wrapping of the foot. A breathable, washable, PVC free 3D Gold Tour liner provides a pre-formed, anatomical ankle and heel area for a precise and comfortable fit. A highly adaptive GripWalk Sole makes this boot compatible with all GripWalk, MN, MNC and Pin bindings. Other Features Prolite Revolutionary light construction with supportive reinforcements in key zones. Frictionless Mirror Pivots Symmetric and parallel pivots deliver 74Adeg of super smooth, unimpeded cuff movement while touring. Free/Lock 4.5 Atomic&';s sturdiest ski/walk mechanism with adjustable forward lean can easily be cleaned of snow and ice. Energy Backbone Reinforcement in key zones giving extra strength and edge grip for powerful skiing. True Flex PU / PU This Atomic-exclusive shell material provides the same flex in a wide variety of temperatures. 74Adeg