Super ultra lightweight aluminum 10-point crampons from Petzl with unique CORD-TEC flexible linking system for amazing packability. Designed for snow approaches with many different types of appropriate footwear, including hiking and approach shoes.  Aluminum crampons have their limitations regarding function and durability, and will not be appropriate for use on ice, rock, or for many types of mountaineering routes.  Choose your equipment carefully.  The right tool for the right job.