Yes, they do run big. My husband usually wears a medium in most button-ups, but anything Columbia we order a size down. So, all his columbia shirts are a small. ... I ordered a small and it fit like a medium in other shirts.

Do Columbia PFG shirts shrink?

They do not shrink and feel cooler out on the boat.

How do Columbia golf shirts fit?

Columbia's polos fit like a shirt should, and there is no need to upsize or downsize. Order your normal size and hit the course in style and comfort.