From the manufacturer: This shirt is ready to have its sleeves rolled up and put to task. Buttons made with recycled paper. Wear open over an outfit as a duster, or button it up with tights and boots. Even doubles as a swim suit cover in the warmer months. This item is garment dyed and preshrunk. Made in San Francisco Fabric+Care 100% Cotton Machine Wash Cold, Air or Tumble Dry. In great preowned condition, no flaws found. Please not the materials tag was removed but according to the website, it’s 100% cotton. Size XL, see photos for measurements.