Vintage Long Sleeve Button Down Shirt by Arrow Dectolene

Here is a cool vintage button down long sleeve shirt by Arrow Dectolene. 80% polyester, 20% nylon. Soft blue/gray geometric design on a white background. Six button front with a button on each cuff and a pocket on the left breast. It's thin, soft, and super comfy. It's in amazing condition with tons of life left! The tag says 14 1/2 34, but here are the measurements. (refer to the last pic above to see how I measure shirts)

Shoulder to end of sleeve (including cuff) 20"

Chest (armpit to armpit) 24"

Length 27"