In a stunning display of perseverance and skill, J.J. Spaun clinched his first major championship at the 2025 U.S. Open this weekend.

The 34-year-old overcame a challenging start to secure a two-shot victory over Scotland's Robert MacIntyre.

Spaun's final-round performance was nothing short of remarkable, highlighted by a 64-foot birdie putt on the 72nd hole, marking the longest putt made in the tournament.

But which ball helped him reach this new level in his career?

Let’s chat the Srixon Z-Star Family

The Srixon Z-Star series has long been a favourite among golfers seeking stronger distance, optimized spin and tour level stopping power.

The 2025 lineup introduces three distinct models: Z-Star, Z-Star XV, and Z-Star Diamond, each tailored to different playing styles and preferences.

Srixon Z-Star Diamond – J.J. Spaun’s ball of choice

  • Construction: Three-piece design with Spin Skin+ coating, a super thin layer of urethane which increases the covers degree of friction for more spin and control.
  • Core: Featuring a FastLayer DG Core, soft at the center and firmer towards the outside.
  • Performance: Minimizes driver spin for exceptional distance off the tee while maintaining greenside spin for control. Will feel slightly firmer than the Z Star.
  • Ideal For: Golfers seeking maximum distance with a slightly firmer feel, suitable for various swing speeds. Z Star Diamond blends long-game distance with greenside control and and increased iron spin on long to mid iron shots.
  • Compression: 102
  • Swing Speed: 90+ mph

Srixon Z-Star

  • Construction: Three-piece design with a 6mm urethane cover.
  • Core: Features the FastLayer DG Core 2.0, which is soft at the center and gradually firms up towards the outer layers.
  • Performance: Offers a soft feel with reduced driver spin for increased distance and enhanced greenside spin for better control.
  • Ideal For: Golfers with swing speeds around 90 mph seeking a balance between distance and short-game control
  • Compression: 88
  • Swing Speed: Around 90 mph

Srixon Z-Star XV

  • Construction: Three-piece design with a 5mm urethane cover.
  • Core: Incorporates the FastLayer DG Core 2.0, providing a firmer feel and higher ball speed.
  • Performance: Delivers greater distance off the tee with a mid-high launch trajectory, while maintaining high greenside spin.
  • Ideal For: Players with swing speeds over 100 mph who prioritise distance without compromising short-game performance.
  • Compression: 102
  • Swing Speed: 100+ mph

Each model in the Srixon Z-Star series offers unique benefits tailored to different playing styles. By understanding the distinctions between these models, golfers can select the ball that best complements their game.

Choosing the Right Ball

  • Z-Star: Ideal for golfers seeking a balance between distance and short-game control, with a softer feel.
  • Z-Star XV: Suited for players with higher swing speeds who prioritise distance and a firmer feel.
  • Z-Star Diamond: Best for golfers looking for maximum distance with a slightly firmer feel, without sacrificing greenside control.

You can find all of these balls on the Best4Balls website both plain or personalised them up with your own image or text.