Costa Sampan Polarized Sunglasses - Matte Black/Blue - All-day style and versatile performance make Sampan the perfect match for anyone who fills their days with adventure. Mark Healey's Signature Frame, Sampan is packed with features made to make the most of the water. Named for the traditional Chinese fishing vessels that still operate in Hawaii, Sampan combines innovative technical features, 100% UV protection polarized lens and modern styling in a frame that's never out of its depth.