New Without Tags Brooks Brothers White Supima Cotton Oxford Cloth Button Down Original Polo Shirt. Made in USA.   Retail $140. 

Featuring an unlined collar, no chest pocket, mother of pearl buttons darted back, and side seam gussets.  The Brooks Brothers Original Polo Shirt is an iconic Trad / Ivy League style item.

Milano Fit, which is extra slim.  Approximate measurement across chest at armpit level by neck size:

14.5  19.25

15      20

15.5   21

16      21.75

16.5   22.5

17      23

I combine  shipping.