no size tag.  fits like a mens small
armpit to armpit across the front measures 21.5 inches
back length measures 29 inches
shoulder seam to shoulder seam across the upper back measures 18 inches
shoulder seam to end of cuff measures 26 inches

please compare these measurements to shirts you currently wear to decide if this will fit you. since there is no size tag, this is the only reliable way to determine fit when buying clothes online

color is a red plaid print

DESCRIPTION
You packed light to save on baggage fees, so make sure the one shirt you brought looks good in any setting by wearing the Patagonia Men's Bluffside Shirt. It has a classic design that fits in anywhere, and the slim fit adds modern appeal. It also has a passport-compatible pocket so you don't lose the one thing you need most when you're halfway around the world.

FEATURES
PLEASE ASK ANY QUESTIONS YOU MAY HAVE BEFORE PURCHASING