COSTA Polarized Sunglasses FERG XL Matte Black Frame/580G Green Mirror Lenses
Costa has always been about bringing the best innovations to waters all over the world. The frames bearing the name of our founder, Ray Ferguson, are full of them: top hooding and side shields, integrated textured Hydrolite rubber, adjustable nose pads and our polarized 580 color-enhancing lens. And now this legendary design comes in a nearly 5% larger size, so everyone can sport it comfortably. The Ferg — now and always, nothing but the best.
Model name: Ferg XL
Frame color: Matte Black
Lens color: Green Mirror
Lens material: Polarized Glass (580G)
Frame fit: Wide
Size: XXL
Nosepad adjustable: Yes
Lens curve: Base 8 Decentere
Product Advantages:
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.
Lens details and technology:
Green Mirror
Enhanced vision and contrast for fishing inshore and on flats.
Copper Base
10% light transmission
Optimal usage:
Sight fishing in full sun
High contrast
Costa 580® lenses
Costa 580® lenses were designed by in-house light spectrum experts to enhance colors because standard sunglass lenses fell short.
The lens’ multipatented technology manages light by:
Absorbing Harmful High-Energy Blue Light (HEV)
Enhancing Reds, Greens, and Blues
Filtering Out Harsh Yellow
Package include:FERG XL sunglasses,Costa Case,Cleaning Cloth




















