iSonic 133 or 144
The description of the iSonic says:
The iSonic 133 W85 and 144 W85 are two all new models designed for the ultimate in lightwind slalom performance following the PWA's 2008 85cm width limit. The 133 for lightweights, the 144 for heavyweights
So how is the definition of lightweights/heavyweight?
My weight is 88kg and I will sail it with 9.8 Racesail, so what shall I buy?