COSTA DEL MAR MEN'S BLACKFIN PRO SUNGLASSES - MATTE GRAYAn upgraded version of one of Costas most trusted and popular frames, the Blackfin PRO enhances the original design with six new angler approved features to keep you on the water longer. This model combines the classic look, polarized lens, and comfortable fit with a vented, fully adjustable nose pad for a personalized fit. Sweat channels and eyewire drains help keep your vision clear, while side shields, hooding, the new stickier Hydrolite material,