Performance, durability, and light-weight built into one sail. Majority of X-ply material combined with Dacron is very light yet extremely durable. Endo-batten seam shaping helps to create a powerful sail that is tunable with screw-adjusting batten tensioners. Comes with sail, 2-piece mast, Sport Boom, 1-Bolt Tendon Mast Base, Alloy Extension, and Uphaul. Designed for demanding recreational sailors. RBS Battens.