Callaway Apex Irons - Graphite Flex:Stiff - UST Mamiya Recoil Dart 75 Graphite The soft foam sock liner

The soft foam sock liner is a dual-density insole which provides two unique layers of cushioning for customised comfort

The 3-panel premium construction is durable

Ankle drawcords

81% Recycled polyester

creating incredible ball speed

Callaway Apex Irons - Graphite Flex:Stiff - UST Mamiya Recoil Dart 75 Graphite The soft foam sock linerApex 21 Irons deliver an extraordinary level of forged performance and craftsmanship that weve never seen before. Theyre the first forged iron designed with Artificial Intelligence for faster ball speeds and improved spin consistency. Increased forgiveness comes from our massive Tungsten Energy Core, and weve enhanced the shaping for even better turf interaction. In short, these irons deliver superior performance with iconic feel on every swing.