Cobra S9 2008 irons - Cobras innovative S9 irons have been improved for the 2008 season. Cobra engineers have epanded the three-piece polymer topline and urethane sole insert optimize discretionary weighting for a lower CG and higher MOI, offering higher launch, greater distance and more accuracy. Combine that with the club’s low profile and wide sole with a chamfer relief design and you gain improved versatility and more forgiveness.