This radial sail has been developed with the top sailors in the Phantom fleet and specifically for the CST masts although it will also fit all the popular Selden and Superspars sections. This sail has shown amazing speed in both breezy and light air conditions creating a great all purpose sail for all helm weights. New Features such as internal batten pockets and new patching has reduced the overall weight and made the sail even smoother than ever! It is manufactured from Technora cloth.