I bought this expensive pair and a cheaper pair of another brand, J and S or something like that. These are 65% blockers for $69.99, the other 90% are blockers for $29.99. 65% lighter but feels smoother. The left front top lens protrudes a bit from the frame, for $69.99 I wasn't expecting that, a drop and I'm pretty sure the lens pops out. I will update if so. My right eye will experience pain or strain after a while with a $29.99 pair, these $69.99 don't hurt my eyes, I don't know why, the only difference is the ability to block 65% and 90% . 65% are well packaged but I think they spent a lot of money on a fancy box and should make a stronger frame instead. For 69.99 you get a tote bag and for 29.99 I get a full case, very strong and very durable. Not sure if I recommend them, I will unsubscribe. One more thing. They are larger than they look, for reference, my hat size is 7-3/4, that's a small head, and these look big, not huge but big.
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