The innovative Kingpin redefines the performance standard for Alpine touring bindings. The Kingpins unique toe and heel pieces are the culmination of years of R&D testing. Ease of use and best of all, great power transmission while on the descent mean that you can have a perfect day in the backcountry on the Kingpin. The latest version now includes a 2 spring toe based on the Alpinist technology. This saves 80 g per toe without losing performance! The Kingpin offers tremendous walking and step-in comfort, wide drill pattern and XXL Power Transmitter for impressive power transfer. Including climbing aids from 0 to 13.