Wilson Ci7 irons. Ci stands for Control irons . The new Wilson Staff Ci7 iron draws its inspiration from the award-winning Ci6, and improves upon it. It combines a tour-driven mid-size shape with a greater level of forgiveness for maximum playability. The new Ci7 features a mid-size head preferred by most golfers, delivering the look of a tour iron with the forgiveness of an oversized iron. Its advanced weight distribution creates high MOI and maximum forgiveness.
Central notch accentuates heel / toe perimeter weighting for increased MOI
Thin face delivers maximum power
Undercut cavity for greater head stability
Elastomeric paint in cavity reduces vibration by a third.