Vintage 1960s Shirt

Made in USA by Catalina, California.
'Duke Kahanamoku’ label.
Great print design.
Large open collar, button front, patch chest pocket.
This shirt is in superb condition.
 
Measurements

 
I estimate that shirt this would best fit a Small. Labeled a vintage S.
Please check measurements given below:
P-p 20”
Shoulder to Shoulder 17”
Length 26”