hi pc are the batterns all the same from previous years , broke one today in my 7.5 retro ,and as you rightly said these sails are rock solid i had the 7.5 on my105 ltr speed board in 14 -21 knots to day , the more i learn how rig the sail the faster i go ,eg, was geting back handed in the gusts outhauled a bit more -sweet as by the way im 105 kilos had a massive catapault arfter hitting bull kelp at 30 knots only damage a broken battern befor it would have been hole in the sail there stong