E9 FACE TECHNOLOGY (IRON) - A new, advanced system creates a larger Sweet ZoneĀ® for increased distance, accuracy and forgiveness.
MULTI-MATERIAL CONSTRUCTION (IRON) - A new hidden internal polymer topline and full cavity TPU (thermoplastic urethane) combine to optimize weight distribution and dampen vibration for superior feel and distance.
STEPPED CRESCENT SOLE DESIGN - A versatile mid-width sole narrows in the toe and heel to provide superior turf interaction, promoting more consistent distance and accuracy.