580 is glass material.
The sunglasses I purchased came without 580G sticker on it, that confuse me a little bit, because it should be on- to tell customers about his product. It should be clear advertised- that 580 is a glass material and that what you will see on you glass lens. But most of the time advertisements says as 580G. Me as a first time customer expecting to see on my “glass” sunglasses engraved 580G. This is the only one confusion that I faced- to see only 580 - without “G”. The product quality and online experience went very well. Thank you.
By Joshua.v Q.




