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Country: gb Page generated at: Tuesday, 30 June 2026 at 6:19:48 British Summer Time
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WITB
Si Woo Kim WITB 2026: A Quantum Leap for 2026!

published: May 27, 2026

Si Woo Kim WITB 2026: A Quantum Leap for 2026!

Paul MillerLink

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Check out the clubs Si Woo Kim has in play this season – a mix of old and new.

Si Woo Kim WITB 2026 | Source: Leckie Wong, Logan Whitton & NCG

Table of Contents

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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 T8 at the 2025 PGA Championship – and so will be looking to push on in 2026 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 made the switch in 2026 to the new Callaway Quantum range – but only for his driver.

He games a mini driver but is the Ai Smoke model.

Interestingly he opts for a Cobra 5 wood in amongst an all Callaway set up.

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 putter.

His ball of choice is a Callaway Chrome Tour.

The full Si Woo Kim WITB breakdown is below…

Si Woo Kim The Masters 2026 | Source: Leckie Wong
Si Woo Kim The Masters 2026 | Source: Leckie Wong

Si Woo Kim WITB 2026

Driver: Callaway Quantum Triple Diamond (8.5 degrees) – Shaft: Fujikura Ventus Black 6 X

Mini Driver: Callaway Paradym Ai Smoke Mini (11.5 degrees) – Shafts: Fujikura Ventus Black 7 X

5-wood: Cobra OPTM LS (18 degrees) – Shafts: Fujikura Ventus Black 8 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 SP Wedges (52, 56, 60) – Shafts: KBS Tour V 125

Putter: Odyssey Prototype

Ball: Callaway Chrome Tour

Si Woo Kim WITB 2025

Driver: Callaway Elyte Triple Diamond (9°, Fujikura Ventus Black 6 X)

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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)

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Wedges: Callaway Opus (48°, 52, 60°)

Putter: Odyssey 2-Ball Ten Broomstick

Ball: Callaway Chrome Soft X

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About the author

Paul Miller

Paul has been playing golf for around a fourth of a Century, whilst his time on this Earth is rapidly approaching half a Century!

During that time his handicap, on average, has gone down around half a shot a year and is currently at 8.

His general love of Sport included a time studying the Philosophy and Sociology of Sport.

In 2013 he co-authored a book chapter 'The good and bad of youth sport today'.

His passion for youth sport is equally matched in his role heading up the Buyer's Guides for National Club Golfer.

He wants to inform golfers what gear is the best whilst finding all the best golf deals so you can save money.

Since joining the equipment testing team at NCG he has become a hybrid convert and is ready to tell you to ditch the long irons if you want to hit more greens this season!

Paul uses Titleist GT3 driver, Callaway Ai Smoke hybrids, a SeeMore Giant Putter and a TaylorMade Tour Response golf ball.

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