New Without Tags Brooks Brothers Blue University Stripe Supima Cotton Oxford Cloth Button Down Shirt. Unlined collar, mother of pearl buttons.  Made in USA.  Labeled Small Regent (Slim Fit).  Measures about 14.5-32.5, and 20 inches across chest at armpit level.  Use measurements to predict fit.  Retail $140. 

Supima is a premium long-staple cotton which is only grown in the US.

Minor stable mill flaw all the way across the back pictured.

I combine shipping.