FIBERPATH RACE SERIES Grand Prix Boat Size External Surfaces Ullman Sails Race Series sails are custom-designed for each boat with a fast, efficient shape that translates into speed and performance on the racecourse. Race Series sails feature lightweight construction with an emphasis on extended performance life. The sails are also easier to adjust and control as the wind strength and sea conditions change, allowing you to keep the boat balanced and sailing fast. Sport (aramid*/polyester) Carbon/Black Twaron® 100% Aramid (Black or Gold)* Carbon/Black Twaron® 100% Polyester (Black or White) Select from various film and non-woven textile options. Select from various film, non-woven textile and taffeta options. Available as film to both sides or one side film with the other side taffeta.