Ullman Sails offers a time-tested and winning mainsail design – the J/80 AP Mainsail from Ullman Sails. This sail, a elegantly designed radial-cut Dacron sail offers exceptional performance across the wind range and at every point of sail. An extensive sail development program led to Ullman Sails customers claiming a World Championship Title in the class with a full Ullman Sails inventory, our designs today continue to offer exceptional speed and performance.