Hydrophilic freaks are sure to love the Costa Del Mar Blackfin polarized eyewear for those who never get tired of dabbling in adventure water sports on the beach. Designed by the eponymous American eyewear manufacturer, these Costa Del Mar sunglasses are available in four superior lens materials including the special scratch-resistant 580G lenses that provide polarization to keep off glare, thereby enhancing vision. Furthermore, thanks to its cold-injected nylon and Hydrolite frames, this polarized eyewear resists sweat for a better grip on your face. Plus, its integral stainless steel hinges make these Costa Del Mar sunglasses extremely lightweight and comfortable to wear. Measuring 60.6 mm in size, the Costa Del Mar Blackfin is specially designed to suit your facial contours. What’s more, you could simply doze off in the hot sun, as these Costa Del Mar sunglasses feature bold frames and wide temples, which block out any ambient light.