Cobra Women's OPTM Hybrid Flex:Ladies Nike backs the Air Zoom

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Cobra Women's OPTM Hybrid Flex:Ladies Nike backs the Air ZoomFeaturing a slightly larger shape and a fixed weight in the back of the sole, the OPTM Hybrid blends speed and stability with a high launch, giving you the confidence to attack longer approach shots from any lie and in any conditions. MOI, or "moment of inertia", is the term the golf industry uses to measure a club's stability and forgiveness. When a mishit occurs, the club head rotates around the ball, causing the face to twist open and push a shot