This is a gorgeous shirt from Tommy Bahama.

Made of 100% silk, it's solid teal blue.

The shirt has a loop collar, matching left chest pocket and a square tail with side vents. 

This shirt is in MINT condition. It looks and feels like it's never been worn. Guaranteed to be authentic and perfect. 

Marked XL.

Across the back, laid flat and unstretched, the shirt measures 28 inches from armpit seam to armpit seam and 31 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.