Review on IPSXP Polarized Sports Sunglasses Cycling Glasses with 5 Interchangeable Lenses for Men and Women – Ideal for Cycling, Running, Hiking by Jeremy Byard

I haven't gone through all the lenses yet and I haven't even exchanged one. There seems to be a specific feature for each one, which is pretty nice. There is a soft case for glasses as well as a hard case for storing all extra lenses. I find it more for sports fans or people who sweat a lot. The sweat protection on the upper edge of the frame protrudes slightly on the forehead and takes some getting used to. These goggles are quite large and better fit people with a large face structure. Overall the cost is pretty good and of course that's just a personal point of view.