Callaway Quantum Max OS Golf Irons - Steel

Quantum Max OS blends confidene with maximum forgiveness, powerful speed, and consistent carry—all in an oversized shape designed to help golfers hit it more solid across the face.

Modern 360° Undercut
The Modern 360° Undercut Cavity is designed to deliver faster ball speeds, higher launch, and more forgiveness across the face, thanks to its advanced two-piece design with extreme perimeter weighting and a fully exposed undercut for added fl x where golfers need it most.

Progressive Tri-Sole Design
The Progressive Tri-Sole Design promotes cleaner, more consistent contact across the set, with a reengineered sole geometry that adapts from long irons to wedges for smooth turf interaction and efficient speed etention—even on heavy strikes.

Next Generation Ai-Optimized Face Design
The Next Generation AI-Optimized Face delivers faster ball speeds and more consistent launch, spin, and dispersion by intelligently shaping the face to match real-world impact patterns and expand the sweet spot.

Urethane Microspheres
Urethane Microspheres enhance sound and feel at impact by absorbing unwanted vibration, delivering a softer, forged-like sensation in a high-speed game- improvement head.

Oversized, Confiden e-Inspiring Shape
Quantum Max OS is built for higher launch and maximum forgiveness—all in an oversized shape that inspires confiden e at address.