I've had RB4181 lenses for years, I've also been ordering polarized replacement lenses through Luxottica for years (when they were $40 shipping) but here they are now $75 a pair, glad I stumbled across them. These polarized G15 lenses are almost identical to those that come with sunglasses. The only difference I noticed is that the RayBan lenses are a little greener/bluer, maybe a little clearer too, but not enough to justify the $40 price tag. Look at my photos, Raybans on the right, Lenzflip on the left. Thanks for a great product! EDIT: Revain won't let me post pictures for some reason.
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