New Without Tags Brooks Brothers Navy Blue and White Gingham Check Supima Cotton Oxford Cloth Button Down Original Polo Shirt. Made in USA. 

This is the current model, which retails for $140 and features an unlined collar, no chest pocket, mother of pearl buttons, darted in back, and side seam gussets. 

Approximate measurement across chest at armpit level by neck size:

14.5  19.5 inches

15.5   21 inches

16      21.75 inches

US and International Buyers:  I can fit two or three shirts or other small items into a USPS Padded Flat Rate Envelope.  I will combine shipping and refund the lower shipping costs.  Two pairs of pants will also fit. So mix and match