Toe ISI Toe Piece – The new "Intuitive Step In" tech toepiece features a rubber stop pad and a wider step-in platform with easier step-in than previous models. Anti Ice Pads – Anti Ice Pads in the base of toe to prevent icing in critical areas. Heel Carbon Reinforced Kingpin Heel – The revolutionary heel construction for the Pin Technology bindings features wide sole contact points to deliver the kind of direct, lossless power transfer more frequently seen in alpine bindings. The Kingpin heel is also many times safer than traditional Pin Technology bindings. Reinforced with carbon for improved strength and reduced weight. XXL Power Transmitters – Extra large power transmitters in the heel with reduced weight for minimum friction and maximum centering for the lateral movement of the heel. Tour Mode Kingpin Climbing Aids – The climbing aid offers two positions with 7° and 13° which can easily be accessed with the ski pole, even in an unstable standing position. Integrated elastomer paddings dampen the impact reducing the irritating traditional “clack” and allow more comfortable hiking. Boot Compatibility Tech Inserts Required Vertical and Lateral Adjustable Release Function – Vertical and lateral individually adjustable release in the heel for improved release functionality. Additional Features Stand Height – 21.5 mm Recommended Skier's Weight – < 260 lbs. (120 kg) Compatible with Kingpin / Alpinist Crampons Ski Compatibility We recommend a brake width equal to or at most 15 mm wider than the ski waist width. Marker Kingpin M-Werks Alpine Touring Ski Bindings