Sleeve sail, ideal for sailing schools. A sleeve pocket for the mast at the luff with a cutout for the sprit halyard block. This sail is created strong to last long, made of 4 US oz. high quality 100% dacron sailcloth. The sail has 4 heavily reinforced corners, a loose foot and webbing loops at both the tack and the clew point to accommodate the boom. The sail does not have any sailbattens and each of the 5 panels has a different color.