Tifosi Seek Wrap Sunglasses - Polarized Sports Sunglasses for Running, Cycling & Outdoor Activities - UV Protection & Lightweight Design

I got these as a b-day gift from my gf. They replaced an older pair of Tifosis I had that broke recently which had lasted for over 3 years. I was intrigued by the photo-chromatic lenses, since that would allow me to wear them in more places. Honestly, I can't observe that much of a difference, so this is more or a gimmick than a selling point to me. That being said however, they have a good balance of shade. I can wear them indoors when I do so on occasion and see just fine. They provide good protection outdoors in the sun. Personally, I wish they were a shade darker outdoors because I still find myself squinting a bit from time to time. I've worn these daily for about 3 months and so far no scratches on the lenses and there's been opportunity for that, so the lens material is pretty good.In terms of weight and hold, these things are great. There's been times I forgot I had them on they're so light. That can be a double edged sword. Light sunglasses tend to be fragile sunglasses, as my last pair of Tifosis demonstrated. It's nothing against the brand, it's just a design trade. If you're rough with your sunglasses, I'd say look elsewhere. The hold on these are incredible. You could shake you're head around (if you're up for that) and they'll not move a bit. Whether you're cycling, running, doing any outdoor activity, or just driving, they're secured to your head.Overall, these are a good pair of sunglasses. The reasons for three stars and not more is as follows. The price is a little high for what you get. It really shouldn't be much north of $40 or $45. The photo-chromatic lenses are probably a big draw for those bothering to read this, and I gotta say, it's a little disappointing. It's there, just not very dynamic is all. I wish they were a little darker outside, especially when the sun is out in full force. Since there's a bit of s shortfall there, that's a big no-no since that's the whole point of sunglasses! The build seems too fragile for comfort. I wouldn't mind so much if they were cheaper, but it'd suck for them to break and get burned on the cost (sorry honey, I had to look at the price to review these. See what I do for you all? ;)). If I were to get another pair, I'd still stick with Tifosi, but I'd get a different pair. The photo-chromatic performance needs some refinement and then these would be worth it.