Here is a handsome and sharp looking long sleeve Western Snap shirt by Country Touch Sportswear. It's 45% polyester, 55% cotton. Great plaid of blues, off white, and reddish brown. Seven button front, three on each cuff, and a buttoned pocket on each breast. Light weight, soft, and comfy with years of life left! The tag says Large, but here are the measurements. (refer to the last pic above to see how I measure shirts)

Chest (armpit to armpit) 25"
Shoulder to end of sleeve (including cuff) 25"
Length 31"

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