The Air Tech is built for ascents that involve both rock and ice. It features 12 short steel points8 at the front and 4 at the rearstrategically positioned to provide stability during climbs, descents, and traverses. This version features interchangeable a binding system (Cramp-O-Matic EVO, New-Matic EVO, and New-Classic EVO) allowing it to fit virtually any type of boot. Equipped with Grivel’s renowned proactive Antibott plates on both the front and rear, the Air Tech prevents snow buildup for enhanced performance. Compact and easy to pack, it offers a secure fit and is an ideal companion for a wide range of mountain activities. Grivel Air Tech DualMatic Evo Features: Activities: glacier walking/ classical and technical mountaineering Materials / construction / technologies: steel, plastic Certification: CE EN 893, UIAA 153 Weight: 886 g/pair (Cramp-O-Matic EVO); 872 g/pair (New-Matic EVO); 832 g/pair (New-Classic EVO) Sizes: 35-46 Antibott: front and rear