A couple weeks ago, Finn met with his father and Chase at General Hospital to discuss his father's illness. Finn told his father that he had post-treatment Lyme disease syndrome. During these scenes, Finn (Michael Easton) was wearing a navy blue waistcoat with a contrasting maroon print back by Ted Baker London. It's currently out of stock, but I gathered some similar vests by Ted Baker below.

Finn's Navy Blue Vest (out of stock). See more Ted Baker Clothing.

Here's a comparison of the back of Finn's vest:

Here are some vests by Ted Baker for a look like Finn's: