When my Vuarnet broke I didn't want to spend that much on desert running sunglasses. I had category 4 lenses, non-polarized, and I was hoping that these glasses would have something similar. These are very dark glasses and may be category 4 but definitely category 3. Not suitable for driving. But they don't offer contrast like a more expensive lens. And the color it produces is darker, but not like that. good or beautiful, like a blue or yellow lens. They're big for me, but they fit. However, when I put on a baseball cap and tried to lower the visor, it hit my glasses and pushed them down as well. So I had to choose between sun protection with a hat or glasses. This may not be a problem for a man or a big head.
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