JPX One

Independent robot testing called the JPX One "one of the most forgiving drivers in 2026 testing, and also one of the best feeling," with Playable Shot Percentage among the strongest in the field. Cortech Chamber weighting was refined so the centre of gravity pushes back and the MOI stays low for maximum forgiveness. World-first Nanoalloy face technology dynamically adapts elasticity to preserve ball speed on off-centre strikes. Industry-awards Gold Medal confirms top-tier forgiveness for the archetype.

Independent robot testing measured average total distance of 248.9 yards with an 8.2 distance score — well behind the longest drivers in the 2026 test. The head earned a reputation as the "spinniest new driver on the market this year." Reviewer testing reported ball speeds 2-3mph slower than gamer drivers, with a smash factor around 1.43 — fairly low on efficiency. Manufacturer's claim of category-leading ball speed contradicted by multi-source independent testing. The Nanoalloy face technology is promising but hasn't translated to category-leading distance numbers in the wild.

Engineered for stability rather than shape — designed with a slightly larger footprint for higher stability and a straighter ball flight, with a built-in draw bias that makes it easier for average players to square the face at impact. Quick Switch hosel offers loft and lie adjustment, and two adjustable sole weights tune launch and spin. But the geometry imposes a draw bias rather than letting the player work shapes — the Select stablemate is the workable head in the family.

Reviewer consensus is split. Some testers found the impact "muted, solid… reinforces strike quality without masking feedback," while others called the same impact "a little clunky and slightly harsh" with the sensation "significantly less refined than the soft, dense impact Mizuno achieves in its forged irons." The Nanoalloy face produces a different tactile signature than traditional Ti — closer to a polymer-modulated dampened thud than the dense forged signature Mizuno is famous for. Better than mid-pack but not the brand benchmark.

Acoustic profile reads muted and solid — "a louder, duller 'thud' rather than a sharp titanium crack." The Nanoalloy face produces a consistent acoustic across the face (uniform flex profile), but it reads heavier and duller than traditional Ti — modern dampened character rather than tour-correct snap. Some testers reported "a scratchy sound at impact and it echoes." Adequate but inconsistent reviewer reactions.

Visual reception is uniformly strong. Independent robot testing recorded "some of the most enthusiastic aesthetic reactions in the entire test" — "wicked design," "beautiful club." Reviewer testing reinforced: "the looks are absolutely fantastic, with reviewers loving the overall aesthetic and vibrant colorway as soon as they took the drivers out of the box." The 460cc footprint reads slightly larger than the Select stablemate — confidence-inspiring without becoming oversized, with a striking colourway that stood out in 2026 testing.