Specially designed for rolling terrain, the Explorer 68 Crown Skis feature a wide design for extra stability. The Off Track Crown pattern and Nordic Rocker Camber provide a precise and natural ride, allowing you to focus less on your gear and more on your adventure.. . Off Track Crown pattern . Nordic Rocker Camber. Air Tec Basalite construction. NIS Binding Plate. Skis and bindings are shipped unmounted and unadjusted. Skis, boots and bindings including track mounted bindings must be installed, adjusted and tested as a complete system by a qualified ski technician prior to use. Please contact our Customer Service Department at 888.463.6367 for help locating one of our stores that can perform the mounting service..