Callaway Quantum Max OS Irons - Graphite Clubs:5-PW (6 Irons) Open hand pockets & secure

Open hand pockets & secure back pockets

Secondary and TPU along the side of the sole

Crafted from a lightweight polymer

Callaway logo above back right pocket

Ergonomic Foam Hip Pad

Callaway Quantum Max OS Irons - Graphite Clubs:5-PW (6 Irons) Open hand pockets & secureQuantum Max OS blends confidence with maximum forgiveness, powerful speed, and consistent carryall in an oversized shape designed to help golfers hit it more solid across the face. 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 flex where golfers need it most.