Eddie Bauer short sleeve button front shirt in shades of red, blue, tan and white plaid.   
Button down collar,  chest pocket with button closure,  and tapered hemline. 

Flaw:  Bottom button is missing, but there are 3 spare matching buttons attached so you
can easily replace the missing button.

100% Cotton
Machine wash and dry

Size XL

Approximate measurements taken flat:
Chest: 28 inches
Length:  30 - 31 inches (lightly tapered)
Sleeves: 11 inches (from shoulder seam)