Here is a cool vintage western snap shirt by Rustler. Very handsome and vibrant plaid pattern of dark blue, yellow, red, gray, green, and black. Great looking shirt with tons of life left! Here are the measurements. (refer to the last pic above to see how I measure shirts)

Shoulder to end of sleeve (including cuff) 24"
Chest (armpit to armpit) 25"
Length 34"

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