Si Woo Kim has won 4 times on the PGA Tour – the biggest win of his career coming at The Players Championship in 2017, becoming the youngest ever winner at the age of 21. His last victory was in 2023 at the Sony Open in Hawaii.
He has also played in the Presidents Cup on three separate occasions, relishing the atmosphere and being one of the best performing International players.
He has underwhelmed somewhat at the majors – with a best finish of T12 at the 2021 Masters – and so will be looking to push on in 2025 and better this record.
We know he’s a Callaway staffer, but what does have in play for the season?
A look inside Si Woo Kim’s bag
The South Korean has made the switch the 2025 Callaway Elyte Triple Diamond driver but has also introduced a mini driver to the bag. It is currently the Ai Smoke model but will be interesting to see if he introduces the new Elyte mini driver into the bag.
He finishes off the top of his bag with a Callaway Rogue ST LS 5-wood.

His 4-iron is a Callaway X Forged, whereas, the rest of his irons are Callaway Apex MB’s.
Kim uses three Callaway Opus wedges and an Odyssey 2-Ball Ten Tour Broomstick putter.
His ball of choice is a Callaway Chrome Soft X.
The full Si Woo Kim WITB breakdown is below…
Si Woo Kim WITB 2025
Driver: Callaway Elyte Triple Diamond (9°, Fujikura Ventus Black 6 X)
Mini Driver: Callaway Ai Smoke Ti 340 (11.5°, Fujikura Ventus black 7 X)
Fairway Wood: Callaway Rogue ST LS (5W, 18°, Fujikura Ventus 9 Black X)
Irons: Callaway X Forged Iron (4i, KBS Tour V 125 X), Callaway Apex MB (5i-PW, KBS Tour V 125 X)
Wedges: Callaway Opus (48°, 52, 60°)
Putter: Odyssey 2-Ball Ten Broomstick
Ball: Callaway Chrome Soft X
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