Featuring advanced seam shaping and luff tensioning characteristics, the NX Sails has a highly developed range of settings. Racers and aggressive power sailors will revel in its wide power band and stable control. Sizes 5.4 and 6.2 are for high wind slalom, and are cut for reduced diameter masts (RDM); sizes 7.1 and 8.2 are cut light wind slalom sailing and fit on standard diameter masts (SDM). Sizes 9.1 through 10.8 are cut for Formula sailing.