MOUNTAINEERING, ALPINISM, HIGH ALTITUDE The most sophisticated mountaineering crampons in the world Sandvik NanoflexA(R) stainless steel reinforcements on the front points 3-D pressed frame maximizes strength and performance Semi-automatic bindings fit most semi-rigid mountaineering boots Tool-free size adjustment CC4U wear indicators on the side points show when it is time for replacement Dynamic anti-balling plates and carrying case included Semi-auto version of the XLC Nanotech. Features the same lightweight materials and construction as the hyperlight XLC crampons with the addition of innovative Sandvik NanoflexA(R) steel reinforcements on the front points for increased durability, strength, and penetration on hard ice and snow. The semi-automatic binding is designed for a secure fit on most semi-rigid mountaineering boots. For telemark or A/T boots, use automatic bindings. WEIGHT 650 g, 22.9 oz SPECS ID: 254402Size: Eur 36-48Points: 12Frame Material: 7075 Aluminum / NanoflexAntibott: IncludedBinding: Semi-Automatic