BLAST from TILLO InternationalThe BLAST is our ultimate no-camber free ride sail,, with a 5 batten layout and full x-ply construction.We were able to achieve a super light and powerful sail with extra easy handling and retaining maximum control.We added more shape into the lower middle section that provides that extra power to blast around in full control.The Blast will work for either classic windsurfing, free ride flat water sailing or foiling free riding.It comes in 3 sizes 6.6, 7.2, and 7.8 meters6.6 M ( Luff 451 , boom 195 cm )7.2 M ( Luff 470 , boom 203 cm )7.8 M ( Luff 496 , boom 210 cm )