Here is a cool vintage long sleeve Western snap shirt by Authentic Western Youngbloods. 60% cotton, 40% polyester. Great plaid design in vivid blue, yellow, black, and red. Pocket on each breast. In excellent shape with lots of life left! The tag says 3X, but here are the measurements. (refer to the last pic above to see how I measure shirts)

Chest (armpit to armpit) 30"
Shoulder to end of sleeve (including cuff) 25"
Length 35"

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