Armpit to armpit measures 18".

Length from collar to hem measures 27".

70% polyester.  30% cotton. 

(The tag says Large but we're listing it as a Men's Size Medium based on the measurements.)

Made in USA!

In good pre-owned condition,  especially considering it's age.  No noticeable flaws or defects.  Stored in a smoke and pet free environment.  Will ship out very shortly after purchase.  Please see pictures for greater detail.