Fitting over all types of common footwear, the Kahtoola Traction System KTS is the ideal lightweight steel crampon for hiking and train running while wearing running shoes, hiking boots, snowboarding boots, ski boots, and telemark boots. Straps and quickrelease buckles on both the toe and collapsible heel pieces make the KTS easy to adjust. The Steel KTS is designed to handle rockier terrain than the Aluminum version and have points that are 14 inch longer and sharper. These durable crampons weigh in at just 23.3oz per pair and you can fold them down into a compact package.