Features: - An enhanced version of one of Costa’s most trusted and well-loved frames, the Blackfin PRO builds off the original look, polarized lens and fit with six new angler-approved additions to keep you on the water longer. Along with a vented and fully-adjustable nose pad for a custom fit, sweat channels and eyewire drains will help keep your vision clear, while side shields, hooding, new stickier Hydrolite® and metal keeper slots keep your frames and your focus locked in. - Premium Polarized 580 Lenses. Filtering reflective glare is essential for anyone on the water or outdoors. We sell only polarized sunglasses. - 100% UV Protection. Your Costas absorb 100% of UV light, providing you the best in light management and protection. - Adjustable Nose Pads. Fully-adjustable, nonslip nose pads were designed to further customize your fit and help reduce fogging. - Scratch Resistant and Durable. The C-Wall coating provides extra scratch-resistance and a barrier that repels water, oil and sweat for easy cleaning.