Quiksilver Men's Oversized Medium Green Plaid Short Sleeve Button-down Shirt. Vintage 20's surf skate shirt. Runs large for a medium. Very comfortable. Size Medium 100% Cotton (Guessing since the materials tag has been cut out) Lightly worn with no stains or tears. Materials tag has been cut out SKU 2217 Quiksilver Plaid Short Sleeve Button-down Shirt