asymmetrical freestyle performance for the park and the whole mountain. the optisym was inspired by all those snowboarders who love to turn any terrain, even a groomed slope, into a freestyle playground. the board comes with an asymmetric twin shape for endless control when carving and shredding all over the mountain. a balanced freestyle/park board for riders who want to give free rein to their creativity in any terrain.riding stylean all-mountain/park board for advanced riders. this board is perfect for freestyle riding in the park and all over the mountain. the cam-out camber profile makes the board playful and forgiving. yet it remains stable at higher speeds, perfect for bigger kickers and hard slopes.shapethe true twin shape is perfectly symmetrical for a balanced ride that's equally versatile when ridden forward or switch. the asymmetrical sidecut has a smaller radius on the heel side and a larger one on the toe side. this makes heelside turns easier and also more controllable.profilenitro's cam-out camber is a traditional camber profile with early and smooth transitions in nose and tail. as a result, you get a fun and responsive board that enables pinpoint turns yet is forgiving.flexthe medium flex gives you the flex and feedback you need to jib without sacrificing stability and pop when it comes to the big gaps.constructionthe powercore ii is a poplar wood core with beech wood stringers, for unmatched stability, smooth response and incredible pop. the whiplash core profile is a thinner board profile between the bindings with reinforced ends. for maximum ollie power and at the same time a softer flex during presses. powerwall technology means extra sidewall material on the heel edge of the board. this provides extra durability and cushioning while improving agility when you switch from toe to heel. the ureshred sidewalls are made of polyurethane. this makes them very resistant to shock and abrasion and gives them excellent damping properties. the railkiller edge is twice as thick and twice as strong as standard steel edges. the premium extruded fh base is very durable, user-friendly and offers good gliding properties even without too much waxing. scratches can also be repaired quickly and easily.