Here is a cool vintage button down long sleeve shirt by JC Penney The Fox. 65% poly, 35% cotton, and made in the USA. Handsome striping in grays and maroon. Seven button front, two buttons on each cuff, and a pocket on the left breast. Thin, light weight, soft, and super comfy. In great shape with tons of life left! Please note that it's shown on a female form in the pics. Here are the measurements. (refer to the last pic above to see how I measure shirts)

Chest (armpit to armpit) 21"
Shoulder to end of sleeve (including cuff) 24"
Length 29"

This item is sold from a vintage boutique in Roanoke, VA.