Titleist
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GT4: Exceptional low-spin performance. GT4 is designed for players looking to eliminate sub-optimal spin rates – usually over 3,000 RPMs – to create a more penetrating and efficient ball flight. GT4’s dual-spin control settings allow golfers to choose between more aggressive spin reduction or a more balanced and stable setting with more moderate spin reduction. This is accomplished by flipping a heavier (11 gram) and lighter (3 gram) weight between two positions. GT4 also has a smaller profile than the GT2 and GT3 models at 430cc.
GT4’s performance improvements begin with its Seamless Thermoform Crown and Split Mass Construction, as Titleist engineers pushed its internal mass distribution farther apart, maintaining back-weighted stability while driving CG forward for greater spin reduction.
Each model in the GT lineup features an ultra-lightweight crown made from a new Proprietary Matrix Polymer. The material, never used previously in golf clubhead design, afforded Titleist engineers unprecedented design solutions regarding internal weight positioning, unlocking gains across multiple categories of driver performance. The crown is wrapped to the sole using an advanced thermoforming process, resulting in a clean look with no visible seam or transition between material.
“One of our first goals with GT was to make it faster than TSR,” said Chuck Golden, SVP, Titleist Club Research & Development. “And the only way to achieve our design goals was to break out of an all-titanium construction.”
“The density of this crown is approximately three times lighter than where we were in an all-titanium construction,” said Luttrell. “By wrapping the crown down to the sole, we optimize the mass distribution throughout the head, allowing us significant advantages in designing to our center of gravity and inertia goals.”
In moving to a multi-material construction, one of the top priorities from Titleist’s R&D team was to preserve the classic sound of Titleist metals. The unique acoustic properties of the Proprietary Matrix Polymer allowed Titleist engineers to fine-tune tremendous sound and feel while still maximizing the weight-saving gains from GT’s new construction.
The weight savings that resulted from GT’s Thermoform Crown gave Titleist engineers the ability to re-position discretionary weight in optimal positions within the clubhead. Mass was strategically pushed both towards the front of the club, unlocking greater speed through CG placement, and towards the rear, offering stable, high-MOI performance. CG placements across the three models vary, giving players the opportunity to find the right combination of speed, launch angle and spin for their games with three unique setups.
“The discretionary mass we gained from the Thermoform Crown allowed us to move our center of gravity exactly where we want it,” said Luttrell. "How did we distribute the mass savings? We split the mass, isolating it incredibly low and forward, and taking the remainder of the mass and pushing it to the back of the head. We were able to get incredible speed along with stability from that balanced mass position.”
Improved Aerodynamics
Improvements to internal construction and weight distribution have allowed greater optimization of aerodynamics across the three models, a breakthrough that was previously impossible to execute due to design constraints. The GT drivers feature refined profiles that help reduce drag and increase clubhead speed.
“In our aerodynamic research and engineering, we study head shaping, particularly crown and sole curvature to optimize air flow connection, reducing turbulence and drag,” said Luttrell. “The result is a significant gain in clubhead speed."
GT’s exceptionally fast face has two key technologies behind it. An upgraded titanium Speed Ring reinforces and stabilizes the perimeter of the clubface, which produces maximum ball speed for on-center strikes, while Variable Face Thickness (VFT) works to preserve consistently fast ball speeds on off-center strikes, eliminating excessive distance drop-off.
“The Speed Ring maximizes COR [coefficient of restitution] on the center and as a result maximizes ball speed,” said Lutrell. “But Speed Ring naturally constrains the face perimeter, which could result in lower performance off center. That’s where VFT comes into play. VFT effectively allows us to discretely thin the face, expanding the sweet spot size and maximizing speed on mishits.”
GT models feature new face graphics, which are designed to frame the ball squarely at address. This change, driven by specific Tour player prototyping and feedback, helps golfers align the golf ball with the center of the club with more confidence.
| LOFT | LENGTH | LIE | HEAD SIZE | HAND |
| 8.0° | 45.5" | 58.5° | 430cc | RH/LH |
| 9.0° | 45.5" | 58.5° | 430cc | RH/LH |
| 10.0° | 45.5" | 58.5° | 430cc | RH/LH |
Mitsubishi Tensei 1K Black 65 (S, X)
Graphite Design Tour AD VF-6 (S)
Titleist Universal 360 Grip
Head Cover Included
