TT COURSE, the KYT full face helmet, its captivating and extreme shapes have been studied in the wind tunnel, to achieve the best performances without neglecting style and ergonomic. The fine visor mechanism has been designed to offer practicality and efficiency at the same time. Precious inners have been optimized to offer the best performance for comfort and outflow of the air. The collaboration with aeronautics engineers, the use of special software and the wind tunnel gave life to this innovative helmet: strong, comfortable and performing TT Course, the racing helmet to stand out every day.