to optimize ball speeds and improve spin robustness across the face

it's comfortable and it allows excellent freedom of movement

Lightweight (2

Each other layer becomes gradually firmer to provide spin

Callaway Apex 19 Golf Irons - Graphite Flex:Regular - Project X Catalyst 60 to optimize ball speeds andTHE ULTIMATE FORGED PLAYERS DISTANCE IRON Apex is the ultimate forged players distance iron, with premium craftsmanship and amazing sound and feel. This exceptional multi piece construction lives up to the Apex standard. FEATURES EXTREMELY SOFT FEEL Forged 1025 mild carbon steel body. And for the first time ever weve engineered our proprietary urethane microspheres into a forged iron. LONG, CONSISTENT DISTANCE WITH PLAYABILITY Our renowned 360 Face