An iterative computer-based design process reconfigured the Wilson Staff D9 irons blade shape and cavity as well as the size and location of the urethane-filled sole slots. The new revolutionary D9 irons launch higher and spin lower while delivering tour-level stopping power for pinpoint accuracy.

Fast Facts: Wilson Staff D9 Irons

Target Audience: Mid-high handicapper
Category: Game-improvement
Design Pitch: Urethane-filled sole slots
Sole: Wide rounded
Lofts: 3° incr (5i 21°-7i 27°), 5° incr (8i 32°-GW 47°)
Stock Shafts: KBS Max Ultralite, Tensei AV Silver
Stock Grip: Lamkin Crossline Genesis
Sets: 7-Piece set (5-PW, Gap Wedge)
MSRP: $650 (steel), $750 (graphite)
On the Web: Wilson Staff D9 Irons

What You Need to Know: Wilson Staff D9 Irons

The Wilson Golf design team ran hundreds of simulations on its revolutionary CAD systems, testing a series of design combinations that would deliver both distance and control.

Wilson Staff D9 irons
Using a revolutionary approach to iron design, Wilson’s generative process compared hundreds of D9 head shapes and Power Hole layouts in the ultimate pursuit of game-improving performance. (Courtesy Wilson Golf)

The result is the new Wilson Staff D9 irons.

One of the most visible changes from previous Staff iron models is the reconfiguration of its multiple sole slots, or what Wilson calls ‘Power Holes.’ There are now three (3) of these Power Holes that Wilson claims will give the D9s additional flex at impact and more distance – and unlike last year’s irons they are not symmetrically placed nor are they the same size.

The slot towards the rear of the sole is larger than the other two and proportionately closer to the heel. This helps counter a tendency of all irons with flexible faces to hit the ball slightly right, due to the face having less area towards the heel.

Wilson also shifted the D9 iron’s center of gravity closer to the sole thereby improving initial trajectory.

Video: Wilson Staff D9 Irons Promo


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