This versatile cross country ski is ideal for adventures on and off the trail. The Air Tec Steel Edge provides stability, while the Nordic Rocker Camber offers superior control.. . CompositeWood . AirTec Steel Edge. Nordic Rocker Camber. 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..