The L4V driver stands for Limit 4 Variables as this driver hits 4 of the USGA performance variables. These are maximum head volume 460cc, max head dimensions 5"by <5", maximum COR (.830) and lastly maximum MOI. This multi material driver is designed for maximum distance and accuracy as it incorporates a carbon composite crown and sole section which work together to shift weight low and back, generating a Moment of Inertia up to 5900. The L4V is available in the 3 head options X (gold), F (red), M (blue) to meet all golfers? swing speeds. Without doubt the most advanced driver to come from Cobra giving optimum distance without sacrificing forgiveness.