I'm looking to buy a good pair of sunglasses and i want to spend no more than 50 $ and i am looking for something decent not like the cheapos you find at the gas station. Any ideas?

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I don't have much knowledge about men's sunglasses,but still you can find a nice collection atdesigner sunglasses Manufacturer, Buyer, Supplier, Importer, Exporter, Manufacturers, Buyers, Suppliers, Importers & Exporters - ECPlaza

I would try over stock. Overstock.com: Online Shopping Bedding, Furniture, Electronics, Jewelry, Clothing & more. They haev all sorts of cool glasses from designers for even less then $30. Most of the time their shipping is free.

Yep, I second Overstock. You can find lots of quality things there and usually for a fraction of the cost. I have lost count of all the money I have saved on that site.