Equipment
WRX Spotlight Review: UST Mamiya Attas 11 shaft
Product: UST Mamiya Attas 11 shaft
Pitch: From UST: “A revolutionary combination of innovative shaft design and advanced carbon fiber materials. We combined aerospace grade M40X Carbon Fiber with a new constant taper design. Designed for a higher launch, high performance shaft offering optimum flex and torque characteristics with feel. The ATTAS line has been a successful staple in UST’s offerings, and with the introduction of ATTAS 11 or “Jack,” this will be no exception. Designed to improve launch, but keep the stability the line is known for, this rendition enhances the line with better materials, better energy transfer, and an unforgettable feeling swing experience.”
You can find more info in our launch piece here.

Our take on the 2020 UST Mamiya Attas 11 shaft
I was provided the Attas 11 6S weighing in at a raw weight of 66 grams, 3.8 degrees of torque, and profile promoting mid-spin with a mid to high launch. This shaft was placed in a Wilson Staff Cortex head playing 11 degrees with the weights in the neutral position and the sliding weight in the middle front location. The shaft was placed up against another UST offering: the Helium, which is a shaft that has been very popular and notable for its lightweight, but super stable design. I was also able to hit it against the Fujikura Atmos Blue Tour Spec 6S.
On course testing went right along with claims from UST. I experienced a good mid flight with notable lower spin than the Helium. The Attas 11 felt much stiffer than the Helium but not in a negative way. After a few rounds with “Jack,” I was impressed with the consistency I was getting in flight, control, and distance. My miss was predictable and controllable, whereas I have been having more of a two-way miss with the lighter Helium.

During an analysis at David Ayers’ Low Country Custom Golf with fitter and club guru Kristian Barker, we discussed shaft profiles and recorded some numbers to see how they compared. The first round was very subpar in terms of swing and after a round with all the shafts and a little guidance from Kristian, the second round was much better. I was very happy to be able to have a testing day where I can see how the equipment performed with bad and good swings.

The Helium was the distance winner, but even though the offline number portrays better accuracy, I was having my typical two-way miss with both left and right big misses. The “Jack,” while a little shorter, gave me a consistent ball flight that was more likened to how I hit when I’m playing well. Also, though the Helium was a bit longer, that can easily be attributed to the fact that it is much lighter, and after the session, I measured it at 45.5 inches playing length whereas I had the Attas 11 cut to 45.
Overall, the Attas 11 is certainly a premium shaft that caters to those who would like a little higher launch without worrying about the spin getting too high or feeling overly stiff. On course and the launch monitor, this shaft performs and is every bit of what UST has marketed it to be in terms of launch, spin, and feel.
Equipment
Why Rickie Fowler is switching to a shorter driver at the PGA Championship
In a golf world where players are looking to eke out every yard possible, usually by lengthening their drivers to add clubhead speed, there’s one player at the PGA Championship who’s going in the opposite direction. In fact, for Rickie Fowler, his goal off the tee is not about gaining extra distance or yards north to south, but rather about shrinking the misses from east to west.
Ahead of the PGA Championship and the week prior at the Truist Championship. Fowler mentioned to Cobra Tour Rep Ben Schomin that the driver didn’t quite swing feel the same as everything in the bag. As a result, and with Schomin’s suggestion to try and sync everything up with the big stick, Fowler decided to test out a shorter length shaft.
“He’s been at 45 (inches), and he’d been at 45 for a few weeks, 44 1/8 (inches) is really is where he is been living really for the most part, for the last couple of years, and is where he is been comfortable,” Schomin told GolfWRX. “It just felt like it was a little long and loose on him.”
Interestingly, Fowler ranks 40th in Driving Accuracy this year on the PGA Tour. It’s his most accurate season with the driver since the start of the decade. But sometimes for players, feel is more important than statistics.
“It was really more of a trying to get the swing to feel the fluidness from club to club to club to try to get it to feel the same,” Schomin added. “And so we took it down to 43 and a quarter, and it was a touch of a ball speed loss, just based on that overall club head speed. But honestly, he squared it up probably a little better. The right miss wasn’t nearly as far. So really, overall down-range dispersion tightened up a fair amount, and he felt confident in swinging it.”
The change in length had Fowler’s caddie, Ricky Romano, beaming at how well he had driven during Tuesday’s practice round at Aronimink. So much so, he was asking Schomin not to suggest changes anymore.
Fowler’s shaft-shortening is one of a few driver adjustments he’s made this season, and to Schomin’s credit, it’s thanks to the fact that he and the rest of the Cobra team had Fowler fit very well into three of the four heads in the Cobra OPTM lineup.
“He had three distinct drivers and the biggest decision was trying to decide which worked best at that time,” Schomin told GolfWRX previously. “He’s played the majority of the season with OPTM X, but has also played a couple of tournaments with OPTM LS. His overall driving stats have been good.”
At the RBC Heritage earlier this spring, Fowler switched drivers, changing from his Cobra OPTM X and into the Tour, low-loft Max K model that Gary Woodland used to win just a few weeks prior.
Now for the PGA Championship, Fowler’s back in the X head, but still using the UST Mamiya LIN-Q PowerCore White 6TX shaft, just a little bit shorter.
“Will he stay there? I’m not sure,” Schomin added. “Could we end up say at like 43 and 7.5 (of an inch). If it’s giving him the same feel of consistency through the bag, then I think we might end up just a touch longer. But if he likes where he is at, he’s confident where he is at, that’s really all that matters.”
If there’s more testing, though, just don’t tell his caddie.
Equipment
GolfWRX Launch Report: 2026 Titleist GTS drivers
What you need to know: As is customary for the Fairhaven-based company, Titleist officially announced today that its GTS drivers are headed to retail, following a successful tour release. The GTS2, GTS3, and GTS4 drivers will be available in golf shops June 11.
Since debuting at the Texas Children’s Houston Open, the new GTS lineup has quickly gained traction on the PGA Tour, with more than 50 players already making the switch to a GTS2, GTS3, or GTS4 driver. Among them are Justin Thomas and Jordan Spieth.

Justin Thomas’ Titleist GTS2 driver (Greg Moore, GolfWRX)
According to Titleist, the GTS series builds upon the performance foundation established by the GT Series, while introducing several major technological advancements, including a new Split Mass Frame construction, refined aerodynamics, and an updated Speed Sync face design.

2026 Titleist GTS drivers: What’s new, key technology
Split Mass Frame and thermoform body
At the center of the new GTS lineup is a redesigned internal structure: the Split Mass Frame. This technology works with a full-thermoform body made from Titleist’s Proprietary Matrix Polymer (PMP), a lightweight composite that enables engineers to reposition mass more efficiently throughout the head. Compared to the previous GT generation, GTS drivers feature nearly double the PMP material, increasing from 13 grams to 26 grams, while maintaining the sound and feel preferred by better players.
The weight savings from the thermoform construction allowed Titleist engineers to strategically separate mass placement inside the head. Specifically, more weight is pushed rearward to improve stability and forgiveness, while additional mass is positioned low and forward to optimize speed, launch, and spin.
In short, golfers are able to maintain ball speed and consistency across both centered and off-center strikes.

Faster aerodynamics
Titleist also refined the aerodynamic shaping of the GTS heads to help players generate more clubhead speed.
The tails of the new GTS2 and GTS3 heads have been raised compared to previous models, helping airflow stay attached to the crown and sole longer during the swing. According to Titleist, the improved airflow reduces drag and increases speed without affecting launch conditions or center of gravity placement.
Typically, aerodynamic gains can compromise forgiveness or launch characteristics, but the weight savings from the Split Mass Frame allowed engineers to preserve preferred CG locations.

New Speed Sync face
The new Speed Sync Face design is engineered to improve ball speed retention across a larger portion of the face. A reinforced perimeter structure helps maximize face deflection and COR on centered strikes, while the upper portion of the support ring is opened up to increase speed on high-face impacts, a common strike location for many golfers. The face also features a variable thickness design to preserve speed and performance across a wider impact area.
Expanded adjustability
Each GTS model includes a dual-weighting system to fine-tune launch, spin, and shot shape more precisely than previous generations. GTS2 uses interchangeable forward and aft weights, while GTS3 and GTS4 combine a rear weight with an adjustable forward track weight system.
Tour-inspired face graphics
The new lineup features redesigned high-contrast face graphics to improve alignment and framing at address, according to Titleist. Sharp visual lines are designed to make it easier to center the golf ball and to perceive loft more easily at setup.

Additional model details
GTS2

- The GTS2 is the most forgiving model, designed for golfers seeking maximum stability and consistent speed across the face.
- It produces high launch with mid spin and features a larger, confidence-inspiring profile behind the ball.
- Standard weighting includes an 11-gram forward weight and a 5-gram rear weight, with additional fitting configurations available.
GTS3

- The GTS3 is aimed at players who want more control over launch, spin, and shot shaping.
- Compared to GTS2, the GTS3 offers lower launch and spin while featuring a more compact profile and deeper face design preferred by many stronger players.
- The head features an adjustable forward-track weight system to further fine-tune center of gravity placement.
GTS4

- The lowest-spinning option in the lineup, GTS4 is built for golfers looking to reduce excessive spin and maximize total distance.
- Unlike previous “4” models from Titleist, the new GTS4 features a full 460cc profile that improves forgiveness and stability while retaining its low-spin DNA.
- Like GTS3, it includes a forward track weighting system for precise fitting adjustments.

What Titleist says
“When we talk about driver design, it’s never about the one feature or benefit — it’s about all of them,” said Stephanie Luttrell, Titleist’s Senior Director of Metalwood R&D. “Ball speed, forgiveness, spin stability, adjustability, exceptional sound and feel… these are all attributes that golfers care about. It’s our job to design a lineup that elevates performance across the board without sacrificing in key areas, and we feel we’ve done that with GTS.”
“We know that forward CGs drive speed with great launch and spin characteristics, but you need to be able to do that with an inertial stability that still preserves ball speed, launch and spin consistency on off-center hits,” Luttrell said. “We’ve never before been able to hit these CG positions and inertia properties at the same time, and we’re achieving that because of GTS’ construction.”
Club Junkie’s take
I feel like every time there is a new Titleist wood release, I figure they can’t outdo their previous driver. And every year, I am wrong and impressed with the performance. The GTS fits right into that narrative again, as I didn’t know where Titleist could go from GT, but they pushed the limits again, and my fitting proved the smart people there found ways to improve.
My past four Titleist drivers have been a 2 series as my swing typically requires a little height, spin, and forgiveness so I figured I would just get a new GTS2 and be on my way. During the fitting, I was impressed by the new GTS construction, its added PMP material, and the advanced adjustability on each model. My fitter, Joey, got to work putting together a GTS2 and we started there. The launch and spin were great, and the consistency on misses was very tight. My average ball speed with the GTS went up a little bit as the new Speed Sync face creates more speed away from the center.
Joey then built up a GTS3 in 11 degrees, but I figured this wouldn’t have the stability I needed for tight dispersion on my miss hits. That thought was quickly erased after a few shots, and I really liked the more center start line and reduced draw on the misses I was seeing. We tried a few different settings and shafts to dial in the details in order to get the best fit. Having a forward and rear weight in the head allowed Joey to set up the GTS3 with a heavier rear weight to keep the launch and spin up, while the Sure Fit hosel set flat created a more center start line for me. My misses were not nearly as far left, and I was really impressed with the consistency on the spin and launch when I didn’t hit it in the center.
Titleist again created a wood line in GTS that delivers improvements over previous drivers while keeping the traditional look and feel you expect. More adjustability, better off-center speed, and 3 drivers that are playable over a wider range of players should make these extremely successful in fittings.
Pricing, specs, availability
GTS2 lofts: 8, 9, 10, 11 degrees (RH/LH)
GTS3 lofts: 8, 9, 10, 11 degrees (RH/LH)
GTS4 lofts: 8, 9, 10 (RH/LH)
Featured shafts
- Project X Titan Black
- Mitsubishi Tensei 1K White
- Mitsubishi Tensei 1K Blue
- Mitsubishi Tensei 1K Red
Premium shafts
- Graphite Design Tour AD DI
- Graphite Design Tour AD VF
- Graphite Design Tour AD FI
Available for fittings and pre-sale now.
In golf shops worldwide beginning June 11.
Price: $699 (standard), $899 (premium)
Equipment
Titleist launches new GTS2 and GTS3 fairways
Titleist has today introduced its new GTS2 and GTS3 fairways.
Lower and deeper center of gravity (CG) positions, new adjustable heel-toe weights and advanced clubface innovations drive total performance in the two tour-proven models.
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