The master of light, this streamlined, elegant ski mountaineering boot is one of the lightest in existence. Built for hardcore ski mountaineers who choose to go ultralight, whether touring or racing. The Masterlite is solid-skiing and easy to use. Its unique Pebax Webframe shell is reduced to its critical elements for a solid structure with ultralight weight. The Masterlite's hardware is simple, effective and fast. Its sole has just the right amount of spring to keep your energy moving ahead.