
I bought them for fitness so that I don't have to take off my normal glasses for various exercises and when I'm sweating heavily. I even used them in the pool when I needed glasses to see the teacher. Overall, they work great and are easy to use. I'm deducting a star because after 3 weeks of intensive daily use they got a little lost: the cables slide more easily into the part that holds them and it's not possible to retighten them.

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