The next generation d300 hybrids include a progressive head design to increase volume on stronger lofted heads for more forgiveness on longer shots perfectly distance gapped from 2 through 7 these hybrids provide an easy to hit complement to the d300 irons aerodynamic designvisible micro vortex generators on the top reduce drag forces through the newly designed head shape leading to increased club head speed and greater distancecarpenter custom 455 face insertincreased ball speeds and maximu