RARE Filson Blue Plaid Lightweight Denim Button Down Shirt sz M PWM1

A mid-weight chambray button down shirt by Filson. This is an indigo blue plaid pattern shirt with a mid-weight 100% cotton fabric. Similar to the Scout shirt. Gently worn; no major damage or wear. Material has softened over time and has stretched out just a little. Size medium; see photo for measurement details to ensure a proper fit.