These do not appear to be authentic Costa del mar glasses. True costas have an etching on the lenses. What you show does not.
It’s just an older poor quality image that came from Costa which many other retailers use. Woot isn’t sending out fake Costas.
Can they be returned if they are not authentic Costa Del Mar?
Our vendors get the sunglasses we sell from reputable sources. We wouldn’t be around for 16+ years otherwise.
However, here’s our Here’s our return policy: