Jimmy Kimmel Live Instagrammed THIS PHOTO from Chris Pine's appearance on the show.
Chris's shirt is the Bode Grape Vine Shirt. Unfortunately, this exact style shirt is no longer available. You can, however, buy these very similar shirts by Bode or get the look for less at the bottom of the page:
Chris's pants are the Bode Striped Cotton Trousers In Burgundy. They are also no longer available.
Get the look for less here: