Nicklaus has taken the best features of their hottest performer, and made it even better with their new MULTI-LAYER FACE TECHNOLOGY. The new AIRMAX ML DRIVERS still perform exceptionally well for players with higher swingspeeds, while delivering added performance benefits to those with lower swingspeeds. The new AIRMAX MULTI-LAYER DRIVERS were found to actually increase the C.O.R. benefits at swingspeeds less than 109mph. Cryogenic SuperBeta Titanium head and Fujikura SG Pro Graphite shaft.