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Players cited with this
Cameron YoungPRESS“Titleist T200 (4-iron, True Temper Dynamic Gold X7); Titleist T100 (5-iron, True Temper Dynamic Gold X7); Titleist 631.CY Prototype (6-9; True Temper Dynamic Gold X7)”
Read the report6 more reports from Cameron Young
“The rest of his set is made up of a one-off prototype iron model known as the 631.CY: developed specifically for Young back in 2023.”
Read the report“Irons (4): Titleist T200; (5): Titleist T100; (6-9): Titleist 631.CY prototype”
Read the report“The 7-iron is a Titleist 631.CY prototype muscleback blade made just for Young.”
Read the report“Titleist 631.CY(6-9)”
Read the report“Young opted to debut the irons last week at the World Wide Technology Championship, where he went a perfect 18-for-18 greens in regulation during the first round.”
Read the report“One thing that could help him break through though is some new gear in the bag this week, in the form of a custom set of Titleist 631.CY irons (CY for Cameron Young, of course), which Titleist just so happened to share on their social channels the Wednesday of the tournament.”
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Players who use this also use
Titleist 631.CY Prototype irons
also used by 1 of them
Titleist 641.CY prototype
also used by 1 of them
Titleist 620 MB (irons)
also used by 1 of them
Titleist 621.CY Prototype
also used by 1 of them

Titleist GT1 3Tour
also used by 1 of them
Titleist GT1 Hybrid
also used by 1 of them
Photo credits
- Cameron Young — Bryan Berlin, CC BY-SA 4.0