Designed by the world renowned Klaus Filter, the hull is ultra stiff, yet light, perfectly responsive with less wetted surface and less drag for greater efficiency. Learn more about the construction of all three WinTech Racing models - Medalist, International, Competitor - all available in five sizes. Hull designer Klaus Filter was present for WinTech Racing to congratulate Christiane Huth and Annekatrin Thiele on their amazing race, one one hundredth of a second behind New Zealand for Silver.