The shirt has a left chest pocket. 

This shirt is in MINT, PERFECT condition, with tags. 

Marked 17.

The neck measures 17 inches. Across the back, laid flat and unstretched, the shirt measures 26.5 inches from armpit seam to armpit seam and 34 inches from the collar seam to the bottom of the back.

Please check/know your measurements before buying as tag sizes differ between brands and even within the same brand.