The 2009 Matrix range is compatable with RDM or Standard diameter masts from 30% to 100% carbon. Optimal performance is with 55 - 75% carbon.
Windsurfing Direct Sales Manager Glenn cranking into a gybe with his 2009 Gaastra SE X-Ply!
How to Rig your sail Video
Gaastra Matrix 2010 b from Gaastra on Vimeo.