Under Armour: Spieth 4 GTX offers precision and power through traction and stability

Few players have made such a major impact on golf in so little time and at such a young age like Jordan Spieth has. When he tied for 16th in his first PGA Tour event at age 16, the young American was only just beginning to build his legacy. Fast forward a few years, and Spieth tastes victory for the first time on the PGA Tour at 20; just a year later he wins the Masters and the US Open, followed by another Major win – the Open Championship at 23.

So when Spieth turned to Under Armour to create the Spieth 4 GTX, the design team harnessed data and insights to create the brand’s most scientifically driven golf shoe to date to help the gifted Texan be even better than before.

Traction and torque are extremely vital to a golfer’s swing. Using a data-driven approach, JJ Rivet, a leader in biomechanics at the European Tour Performance Institute, analysed scientific insights into traction and its relationship with torque and rotation of a golf swing, and directly incorporated his findings into the design of the Spieth 4.

It all starts with foot stabilisation and ground contact that form the foundation of an effective golf swing and with Under Armour’s patent-pending traction technology in the shoe, golfers are now able to get more power and accuracy out of each shot.

“Given the importance of power in a golfer’s swing, we wanted traction to be a focal point for the Spieth 4 GTX,” said Rivet. “Through our insights and testing, we were able to engineer a golf shoe that extends force and power to a golfer’s shot beginning with traction from the ground up.”

On top of its lightweight design, the Spieth 4 GTX drives targeted shots further by focusing in on stability and structural support from the ground up.

“Focus is the single greatest difference-maker on the course. The Spieth 4 GTX provides me with the comfort and support I need to hone in on my game and make the most of every shot,” said Spieth.

Power Through Traction

The Signature Rotational Resistance Traction technology creates traction through resistance in both vertical and horizontal directions to help keep the feet planted throughout the duration of a golf swing. Thus, the golfer is able to fully rotate their foot and leverage the ground to power through their swing and prevent slippage, providing the foundation for maximum control and minimum power loss.

Precision Through Stability

Stability is the foundation for a dynamic golf shot. By implementing a microfibre upper, 3D-moulded quarter and tongue lining, and a dual durometer EVA footbed, the Spieth 4 GTX arms golfer’s with the comfortability and supported base they need to lethally deliver the ball to the pin.

Waterproofing Through Terrain

The Spieth 4 GTX is equipped with GORE-TEX fibres, designed to release perspiration in order to keep feet cool while preventing water and loose debris from entering – along with 100% waterproof protection.

Product DNA

  • Breathable, Clarino microfibre upper and a lightweight waterproof membrane keep golfers cool and dry
  • 3D moulded quarter panel and tongue lining for added comfort and support
  • Dual durometer EVA footbed provides lateral support and medial softness to harness power
  • New, lower profile UA Rotational Resistance (RST 2.0) spikes for lockdown horizontal traction and comfort
  • Lightweight, durable TPU outsole with carbon insert for added support
  • Weight: 13.8 oz

SRP: RM999 (Available at MST Golf stores)

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