Vtg Andrade Hawaiian Shirt Mens Made In Hawaii USA Map Sail Nautical M?

It’s 50% polyester and 50% cotton, but it feels kind of like linen

It has three buttons in the front, but the lowest one is missing. You could take the button from the top and replace it, or just wear it open in the front. It has one pocket on the left chest.

Tiny bit of discoloring around the inside of the collar

Size tag is worn, but it looks like a medium. Please see the measurements in the photos.