The Callaway Quantum Max OS Irons blend confidence with maximum forgiveness, powerful speed, and consistent carry. All in an oversized shaped designed to help golfers hit it more solid across the face! Learn more about the technology below.

Progressive Tri-Sole Design

• Promotes cleaner, more consistent contact across the set. The reengineered sole geometry adapts from long irons to wedges for smooth turf interaction and efficient speed retention even on heavy strikes.

Next Generation Ai-Optimized Face Design

• This face design delivers faster ball speeds, more consistent launch, spin, and dispersion by intelligently shaping the face to match real-world impact patterns and expand the sweet spot. 

Urethane Microspheres

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

Oversized, Confidence-Inspiring Shape

• Quantum Max OS are built for higher launch and maximum forgiveness in an oversized shape that inspires confidence at address. 

Shaft

• True Temper Elevate 85 Steel Regular Flex - mid-high launching shaft

Grip

• Lamkin Crossline 360 Standard (with Callaway logo)

Club Specifications