Description of Petzl Irvis FlexLock Crampons 10-point crampons for ski touring and glacier travel Features: 8 points under foot: flat front points for good holding power, 2 holding points on the heel, 2 lateral points on the heel and 2 on the front plate, 2 central points angled at 45° function as both lateral and holding points. Supplied with ANTISNOW to help prevent snow build-up. Tapered front points for good ice penetration. Particularly suited for small sizes. Lightweight: less than 800 g. Easy to adjust (without tools) and precise (half-sizes). Linking bar system allows the user to change from semi-rigid to articulated mode. Available with SIDELOCK, SPIRLOCK or FLEXLOCK binding systems. Certification: CE - UIAA Sizes: 27 to 42 (M bar supplied) and 41 to 48 (L bar optional extra) 800 g