Tags say :relaxed fit" and "Baby Pique".
Measurements are approximate and were taken laying the shirt flat. They are:
Arm pit to Arm Pit -- 20 1/2 inches
Shoulder seam to Shoulder seam (This was taken in the back under the neck) 16 1/2 inches
Length (Measured from neck seam to bottom hem of shirt) -- 23 3/4 inches
Email with any questions and/or for additional pictures.