Veriga Protrack Crampons Ice Traction Cleats, Large (41-44 EU) Professional use in a fast-paced environment with rapidly changing terrain such as ice to snow, tree roots, industrial grounds and highly resistant pavement, etc Designed points ensure excellent grip, reducing the risk of getting stuck in various grates, metal stairs and other industrial surfaces Large number of micro-points reduces wear on industrial grounds while at the same time ensuring optimum grip on ice Each crampon weights approx 7 ounces