OBrien Performer Combo Skis w Z-8 Bindings Experience the best of both worlds with the OBrien Performer Combo Skis. These water skis can be used as a single slalom ski, or as a pair of combo skis, making them a great option for the whole family. Built to be easy to get up on, but with features usually reserved for higher performance slalom skis, the Performers are the best of both worlds. These skis come packaged with the new Z-8 water ski bindings. These bindings utilize adjustable laces for a