This was the first slalom sail to offer 100% grid construction and that tradition continues. This twin cam slalom series features one cam below the boom and one above. Its new double vertical luff panel as well as slightly wider sleeve improves power and gives this sail a 'race sail' feel. Construction:This model features 100% grid construction for the ultimate in durability and UV resistance. Other features include; micro roller cams, a new raised stainless steel 6-1 pulley with oversized rollers, and insignia tape reinforcing. A mixture of rod and tubular battens are used in this sail.