Just read this thread which is interesting. I'm 78kg progressed Winging from Rise XL, Curve XLT, Curve LT 1450, Veloce LT 1350, Fluid LH 1200 changed to Veloce MT 1000. (Sup foil Fluid XXLS) ~For what its worth....Winging/surfing in mainly wind swell the LH felt huge and needed speed to kept it flyi...