Here is a hip and cool long sleeve button down shirt by Stefano. It's 80% polyester and 20% cotton. Great plaid of grays, white, tans, and brown. Six button front, button on each cuff, pocket on the left breast. This one is in amazing condition with tons of life left! The size listed is Medium, but here are the measurements. (refer to the last pic above to see how I measure shirts)

Chest (armpit to armpit) 21"
Shoulder to end of sleeve (including cuff) 24"
Length 32"

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