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If you’ve been searching for a new pair of fishing sunglasses, you know that Costa Del Mar makes some of the best. And right now, Costa sunglasses are majorly on sale during Amazon October Prime Day. You can get select styles of men’s polarized shades for more than 50 percent off today and tomorrow, Wednesday, October 11.

Below, we’ve rounded up the best Prime Day deals on Costa sunglasses, including the very popular Fantail, Rincon, and Reefton—all of which rarely go on sale. Check back throughout the day as we’ll keep updating this list with more sales as they drop.