(Courtesy of Srixon) David DusekfollowJanuary 23, 2023 7:00 am ETGear:Srixon Z-Star, Z-Star XV, Z-Star Diamond golf ballsPrice:$47.95 per dozenSpecs:Three-piece construction with a large core, casing layer and urethane cover. Colors: pure white or yellow for the Z-Star and Z-Star XV; pure white only for the Z-Star DiamondAvailable: Feb. 15 for the Z-Star; April 14 for Z-Star Divide and Z-Star XVWho They’re For:Golfers who want tour-level spin around the greens and distance with a choice of firmness off the tee.The Skinny:For 2023, Srixon has updated its premium golf balls by giving them new cores and improving the spin- and friction-generating coating that is allied to the urethane covers. The Z-Star feels the softest, the Z-Star XV is the firmest and the Z-Star Diamond fits between them.The Deep Dive:Srixon has released the eighth generation of its premium golf ball family, the Z-Star line, and instead of making radical changes, the Japanese company opted to make refinements to the th...