ChromaPop™ lens tech keeps the future in focus with contrast and color-boosting optics

Specifically designed to fit over prescription eyewear

while still maintaining a highly durable frame

these square-shaped sunglasses offer both protection and comfort

Lens Shape: Tall butterfly lenses bring a distinct look to the frame design

Costa Blackfin Pro Sunglasses hilco ChromaPop™ lens tech keeps theAn enhanced version of one of Costas 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