The Carson Shirt from Rails is offered here in the Vintage Aquarium Etch print.  The short sleeve collared shirt features a single chest pocket on a linen/rayon/spandex body with great drape.
 
Recommend ordering true to size.
Front Body Length: 29 1/2" (Measured from size M.)
 
Machine wash cold. Tumble dry low. Do not bleach. Cool iron if needed.