Nicer quality serged seams! Comfortable ~ Great for Travel/ Dri-fit knit short sleeves ~ Easy Pull-Over fitting. 
Authentic Nike labeless screen printed Insignia & frontal Geometric Check Mark. 100% Polyester ~ RN# 56323. 
Top shoulder to bottom hem measures 29 1/2"; lying flat across buttoned front chest pit to pit is 25" (totaling 50" all around including both front & back, unstretched). Reminder, knit material - so will stretch somewhat for extended fit.
Acceptable good preowned condition: See multiple outdoor photos:  no stains, holes nor tears noticed w/exception of mild collar perspiration color variations ~ not too noticeable as somewhat blends in, but there & shown. Smells clean ,as freshly laundered/hung to dry ~ ready to wear.
Smoke-free home.