Neither design is new, unique or special.  Only the type of weenies that are in a band like No Age are pretentious enough to think of a t-shirt bearing their name is high art instead of a promotional item.

That color gradient on the KOL shirt is from their most recent album's artwork.  Not only is it not a rip off but I would be truly surprised if a band with a team of graphic designers at their disposal that sells hundreds of t-shirts a night didn't incorporate themes from the album cover onto their merchandise when…