Petzl Irvis Leverlock Crampon INTENDED USE: The lightweight, compact IRVIS crampons are designed for ski touring and glacier travel. The two wide front points ensure solid purchase in snow. LIGHTWEIGHT: The IRVIS' thinner frame minimizes their weight (710, 730, to 765 grams depending on style). COMPACT: The IRVIS crampons are compact, making them easy to carry and wear for long treks. COMPATIBILITY: Choose between LEVERLOCK UNIVERSEL and FLEXLOCK bindings in order to attach to all types of boots (with or without front and rear welts). EXTRAS: The ANTISNOW system (included with crampons) limits snow buildup in any conditions. The IRVIS crampons have a total of 10 points each.