FAB vintage long sleeve button front shirt...part of a large estate haul!!   Shows very little wear!!   Made and sold by Kmart, this is a size M.  Great plaid in teal, yellow and red.   .   Permanent press fabric of 65% poly and 35% cotton.   

Please check the sizes carefully.  Measurements taken with shirt laying flat, so may need to be doubled. 

Shoulder seam to shoulder seam - 18"
Underarm to underarm - 22.5"
Shoulder seam to bottom of hem - 25"
Sleeve - 24"