I'm guessing the wavy lines are meant to represent the gently lulling waters of the River Trent or some such graphic design guff.
What a horror of a kit.
That Juve shirt is monstrous. Whoever came up with it should have to return whatever design qualifications they hold and never be allowed near Photoshop ever again.
It's worse than Game of Thrones Season 8.
Worse than sitting on your own nutsack (we've all done it)
Worse than every Terminator...