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THE WORLD'S SOFTEST GOLF BALL JUST GOT FASTER: Wilson Staff DUO SOFT golf ball exhibited the lowest golf ball compression value in Wilson tests of all soft golf balls on the market performed June 2022 at the Wilson IC located in Schiller Park, IL. Distance/Velocity claims based upon internal flight testing performed at Humboldt, TN test facility in June 2022. (90 mph clubhead speed) Velocity Boosting Additive In Core For Increased Distance: The core of DUO SOFT is specially formulated for maximum energy return. The result is shots that fly farther and launch easier with less effort. Low Compression Core And Mid-Hardness Cover For Softest Feel: With its carefully calibrated construction, DUO SOFT delivers incredible overall performance with the premium soft feel players love. One swing and you'll see why we say, "nothing feels better than DUO SOFT."