RX Toe with TRP System; Full diagonal; PowerRail; HR heel; ISO: 5355A, 9523 GripWalk; GripWalk - Accommodates all Alpine ski boots (ISO 5355 TYPE A) plus all GripWalk ski boots (ISO 23223 TYPE A); FHR - The Full Heel Release Technology delivers intelligent 180 degrees release both horizontally and vertically ensuring maximum safety in forward and backward twisting fall situations; The Tyrolia Roller Pincer Toe System (TRP System) with its four rollers allows a 180 degrees release and exact centering of the ski boot; The Tyrolia Anti-Friction Slider (AFS) provides not only secure boot release but also rapid and exact boot re-centering; Stand height: 33,5 mm; DIN: 4 - 13; Included Power Rail Base; Weight: 2370g