Vintage King Louie Made in USA CWA Local 13000 Mobilizer M Polo Shirt Red
Looks like it may have never been worn. No stains or holes.

Measurements:

Shoulders - 20"
Pit to pit - 20.25"
Sleeve from shoulder seam to cuff - 10"
Length down center back from collar seam to hem - 28.25"

Location A-4