Optiparts Club optimist sail standard sail without IODA button. Sleeve sail, ideal for sailing schools. A sleeve pocket for the mast at the
luff with a cutout for the sprit halyard block. The mast slides in the sleeve pocket while the sail is loose footed on the boom. Made of strong 4 US oz. high quality 100% dacron sailcloth. This 5 panel sail has no sailbattens, 4 heavily reinforced corners and webbing loops to accommodate the boom.