Wilson Champion’s Choice Duo String is the world’s best monofilament string featuring premium natural gut. Champion’s Choice Duo combines the power, feel, and tension maintenance of Wilson’s premium natural gut with the durability of Luxilon’s ALU Power Rough. It’s the fastest-growing hybrid on tour and the strong choice of the legend,Roger Federer.

Composition: Premium Natural Gut / Extruded Polyester Monofilament

Color: Natural / Gray

Gauge:16G (1.32mm) / 16L (1.25mm)

Length: 20 ft / 6m each

For more information on strings, see our following blog posts:

Breaking Down the 4 Main Types of String

String and Tension Tips from Tennis Express Stringing Experts