Sigmund Yacht Design’s recently launched AU60 concept is an evolution of the Austrian firm’s highly acclaimed Vestar 197-foot sailing yacht. The AU60 has the same elegant hull shape as the Vestar, but the company’s head designer, Peter Symonds says that the AU60 is a “sensitive upgrade” in both form and function. The practical changes will also enhance its performance.

“Curves, transitional forms, and tensile lines are the key to the AU60’s beauty,” says Symonds. “They add to its singular style, which is di…