Irvis Flexlock Crampons - PETZL Ideal for glacier hiking and easy snow runs, the Irvis 10 - point crampons will satisfy all practitioners looking for a first pair of crampons as well as those wanting a light and compact model. The steel chosen specifically for its durability and rigidity makes it possible to reduce their thickness, thus offering a very good weight/performance ratio. A surface treatment further increases their durability and prevents the accumulation of snow at the level of the tips. To improve versatility, Petzl makes all the front blocks of its models compatible with each other, so you can transform your crampons according to your progress or activity. - Flexlock fastening system for use with all types of shoes, including those without welt. - Quick fastening and adjustment system for excellent support. - 10 spikes, two of which are wide at the front for lift in snow. - Supplied with Antisnow system in bi - material and bi - density polymer, flexible it limits the formation of snow clogs whatever the quality of the snow. - For sizes 35 to 45. - Weight: 765g. - This product has been manufactured in accordance with the requirements of EC Regulation 2016/425 for PPE (category 2) according to standard: EN 893: 2010 UIAA 153: 2013 With the exception of & 2.2. List of accessories that can be used with this PPE click HERE