Great coverage

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One of the reasons the original Costa Blackfin was my favorite was the side coverage from the wide arms. If you ever seen fishermen sight fishing or looking for fish in the shallows, you will see them cup their hands to the side of their face to get a better view into the water. Side light makes seeing into water through polarized lenses more difficult so the more you can block it out better.

The new Blackfin Pro have the same wide arms with sweat channels, better Hydrolite grips to keep the frames in place and comfortable on your face, and hooding with the side shields to keep light out from around the frames.