Optimised for early planing, the Evolution gets you moving effortlessly, plus at the other end offers great control and an ease of use that makes the fun factor unbeatable. For the rider who wants to get up and moving quickly and maximize their fun on the water.

More info here: http://www.robertoriccidesigns.com/year-22/windsurf/sails/evolution-mk9/ 

RRD Evolution MK9 from RRD International on Vimeo.