Golf Tutorials

What Golf Ball Does Justin Thomas Use?

By Spencer Lanoue
July 24, 2025

Justin Thomas reaches for the Titleist Pro V1x every time he tees it up. This high-flying, high-spinning golf ball is the engine behind his hyper-aggressive and masterful iron play, allowing him to attack pins with a level of confidence most golfers can only dream of. In this guide, we'll break down exactly why JT plays the Pro V1x, examine its performance characteristics, and give you a simple framework for deciding if it's the right choice for your own game.

The Short Answer: Justin Thomas's Golf Ball

To put it simply, Justin Thomas plays the Titleist Pro V1x. This isn’t a recent switch or a new sponsorship deal, JT has been a "Titleist guy" for his entire professional career and long before. His loyalty to the brand, and specifically to this model, is built on years of trust and proven performance under the highest pressure. When you see Justin Thomas firing a towering 8-iron that stops on a dime, you're seeing the Pro V1x perform exactly as it was designed.

But sticking with a product in the hyper-competitive world of professional golf isn’t just about loyalty. It’s about a perfect marriage between a player’s skills and their equipment. The Pro V1x offers a specific set of characteristics that perfectly complements Thomas's powerful, athletic swing and his preference for an aerial assault on the golf course.

Why the Titleist Pro V1x? Decoding JT’s Choice

A tour pro's decision to use a specific golf ball is a meticulous process. It’s a choice that directly impacts every single shot they hit. For Justin Thomas, the Pro V1x provides the ideal combination of flight, feel, and spin that makes him one of the best iron players in the world. Let’s look at the key performance benefits.

High Flight + High Spin = Ultimate Control

When you hear a commentator say a player has "great control" of their irons, they're often talking about trajectory and stopping power. Justin Thomas is famous for hitting sky-high approach shots that seem to fall out of the air and stop quickly on the green. This is where the Pro V1x truly shines. Its multi-layer construction and cover formulation are engineered to produce a higher ball flight and a higher rate of spin on iron shots compared to its sibling, the Pro V1.

What does this mean in a practical sense?

  • Higher Apex: The ball reaches a greater peak height, which creates a steeper angle of descent when it comes back down to earth.
  • Steeper Descent Angle: Think of a plane landing versus a helicopter. The steeper the ball comes in, the less it will roll forward after landing.
  • -
    Stopping Power:
    The combination of high backspin and a steep descent gives JT the power to "throw darts." He can fly the ball all the way to the flag and trust that it will check up and stop close to its pitch mark, even on firm greens.

This gives him a huge advantage, allowing him to be more aggressive because he knows his ball has the performance to hold the green from almost any distance.

A Firmer Feel for Crisp Feedback

Feel is a personal preference, but it’s a non-negotiable for tour players. The Titleist Pro V1x has a distinctly firmer feel at impact when compared to the softer Pro V1. This doesn't mean it feels like hitting a rock - it's a very subtle difference, but one that players like Thomas can detect instantly.

This "firmer" feel translates to a slightly sharper, more "clicky" sound off the clubface, especially with the putter and wedges. For many players, this provides a more direct sensation of how the ball was struck. It’s a form of immediate feedback. JT relies on this crisp response to gauge his shots around the green and control his distance on the putting surface. While some players crave the buttery soft feel of a different ball, Thomas thrives on the precise feedback the Pro V1x provides.

All-Around Performance from Tee to Green

While the Pro V1x is celebrated for its iron performance, it wouldn't be in JT's bag if it didn't perform with the driver too. A great premium golf ball needs to be a multi-tool. The genius of the Pro V1 lineup is its ability to deliver low spin with the longest clubs and high spin with the shortest ones.

  • With the Driver: The core and intermediate layers of the ball work to reduce spin off the driver face. This creates a powerful, piercing flight that maximizes distance and helps Thomas control his shape off the tee.
  • With the Wedges: The soft, cast urethane cover is the key to its greenside performance. This "grippy" cover allows the grooves of a wedge to bite into the ball, generating massive amounts of spin for controlled chips, pitches, and bunker shots.

This ability to be low-spin and long off the tee while also being high-spin and controllable around the greens is what makes the Pro V1x such a complete tee-to-green weapon for a player of his caliber.

Should You Play the Pro V1 or Pro V1x?

This is one of the most common questions in golf shops, and understanding the difference is fundamental to finding the right ball for you. Justin Thomas's choice of the Pro V1x is based on his needs, but yours might be different. Here is a simple comparison:

Titleist Pro V1

  • Feel: Softer feel. Provides more of a "thud" or "whoosh" sound at impact.
  • Flight: Lower, more penetrating ball flight. It doesn't climb as high as the Pro V1x.
  • Spin: Slightly lower spin on full iron and driver shots. Still offers excellent greenside control.
  • Best For: Players who generate enough spin naturally, prefer a softer feel, or are looking for a more muted ball flight to cut through the wind.

Titleist Pro V1x

  • Feel: Firmer feel. A more "clicky," crisp sound at impact.
  • Flight: Higher ball flight. It’s designed to get up in the air easily.
  • Spin: Higher spin with irons and wedges. This is its key feature for stopping power.
  • Best For: Players who, like JT, want maximum stopping power, need help launching the ball higher, or prefer that crisp, firm feedback.

Titleist also makes a Pro V1x Left Dash model, which is an even firmer, lower-spinning version for high-speed players looking to knock down spin significantly. However, for most golfers, the choice comes down to the standard Pro V1 and Pro V1x.

How to Choose Your Golf Ball (Without a Tour Van)

It’s tempting to just buy the same ball your favorite pro plays, but that’s often not the best strategy. The right golf ball for you is the one that best complements your swing and your typical miss. Here’s a simple process you can follow to choose a ball like a pro - by testing.

Step 1: Start Around the Green

Most golfers make the mistake of starting their ball testing on the driving range with a driver. Professionals do the opposite. They start with the shortest shots and work their way back. The feel and spin of a golf ball is most noticeable on chips and putts. Grab a sleeve of a couple of different models (e.g., a Pro V1 and a Pro V1x) and go to the practice green. Hit chips, pitches, and long putts. Pay attention to:

  • Sound & Feel: Which one feels better coming off your putter?
  • Control: Does one ball check up more quickly on short pitches?
  • Confidence is born around the greens. Find a ball you love the feel of first.

Step 2: Observe Your Iron Shots on the Course

Next, take the test onto the course. When you hit an approach shot, don't just look to see if it's on the green - _watch how it gets there_. Is your ball flight high and majestic like JT's, or does it come in low and hot? When it lands, does it stop, back up, or roll out 20 feet? This is your direct feedback on flight and spin. If all your good iron shots are still running through the green, a higher-spinning ball like the Pro V1x could be a great fit.

Step 3: Be Honest About Your Game and Budget

Finally, be realistic. The Pro V1x is a premium product with a premium price tag. It is designed for golfers who can generate enough clubhead speed to properly compress the ball and reap its benefits. For many mid-to-high handicap golfers, a ball like the Titleist Tour Soft or Velocity might actually provide better distance and a more pleasant feel, all while saving you a significant amount of money.

Playing the right ball for your game is always smarter than playing the same ball as a PGA Tour superstar. It’s about finding the equipment that helps you shoot lower scores, not just impresses your playing partners.

Final Thoughts

Justin Thomas plays the Titleist Pro V1x because it is the perfect tool for his job. Its high-flight, high-spin profile gives him the stopping power and control he needs to fuel his aggressive, pin-hunting style of golf. For the rest of us, the lesson from JT isn't to blindly copy his choice, but to understand the process of matching a ball's performance to our own game.

Finding the right ball is a big step, but it’s just one of the many decisions you face during a round. If you find yourself guessing about club choices, strategy on a tricky hole, or how to play out of a difficult lie, that's what we want to simplify. Our Caddie AI works as your dedicated, on-demand golf expert, putting real-time, personalized strategy right in your pocket. It’s designed to answer your questions and give you a clear plan for every shot, so you can play with far more confidence.

Spencer has been playing golf since he was a kid and has spent a lifetime chasing improvement. With over a decade of experience building successful tech products, he combined his love for golf and startups to create Caddie AI - the world's best AI golf app. Giving everyone an expert level coach in your pocket, available 24/7. His mission is simple: make world-class golf advice accessible to everyone, anytime.

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