I ordered these in April and I was impressed with them initially. The polarization was great and the fit was great. In October ran into some rain while wearing them. I took a microfiber cloth and wiped the spots off and the coating came off. No chemical was used just the cloth. I understand they were less than $20 but if you have to replace them every 6 months you'd be better off buying a better pair. I tried to reach out to the company but am unable to find a contact for them. I guess this is one of those you get what you pay for lessons.
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