Head's Pro model Park and Pipe Ski. The J.O. stands for the legendary Swede, Jon Olsson. For advanced to expert level jibbers who spend the majority of their time in the park but need a ski that can arc on the groomers as well. This ski features Flow Rise rocker technology providing with you with the hard pack performance of a traditional cambered ski underfoot with the soft snow performance of a rockered ski in the tip and tail. A true all mountain twin tip that is as versatile as Jon.Ski Features-Sandwich Twintip Construction-Extra Durable ABS Sidewalls-Highly Transparent UHM Base