Stealth 2+ Driver Features: NEW 60X CARBON TWIST FACE Building on the speed producing success of the original 60X Carbon Twist Face that optimized energy transfer for fast ball speeds, the new face design in Stealth 2 features an advanced version of Inverted Cone Technology (ICT) to help maintain ball speed on off-center strikes and increase forgiveness. It weighs 24g (2g lighter than the original Stealth face) and is designed to have an expanded COR area for a larger sweet spot and boosted perf