The Atomic Hawx Prime XTD 130 is a great option for hard charging, expert level skiers with a medium forefoot and medium shaft of the leg. Built with Prolite Construction, starting with the slimmest profile possible, adding on the key zones for a lightweight boot without losing performance. Memory Fit 3D Platinum Light Liners gives an anatomical fit and a good amount of foot hold thanks to the thermo-formable ankle and heel areas. The Free/Lock 2.0 technology provides 54 degrees range of motion for tons of mobility when skinning uphill. GripWalk lets you walk around safely on uncertain surfaces with a boot like tread. Frictionless Pivot are polymer bearings for super smooth walking motions for effortless skinning uphill. When it's time to come down after reaching your ascent, simply lock the Free/Lock 2.0 for proper downhill charging. The Stiff 130 flex is for your hardest charging skiers, built for maximum power transmission and performance. Explore the entire mountain with the Atomic Hawx Prime XTD 130. Best Fits a Medium Forefoot to Medium Shaft of the Leg. Prolite Construction. Energy Backbone. Memory Fit. Legendary Hawx Feel. Frictionless Pivot. Free / Lock 2.0. Investment Cast Tech Inserts. Mimic Platinum with Touring Flex Zone Liners. GripWalk Soles. This Boot is Only Compatible with Bindings Stamped GripWalk (GW) or Multi Norm Certified (MNC).