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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.
Scratch Resistant and Durable
The C-Wall coating provides extra scratch-resistance and a barrier that repels water, oil and sweat for easy cleaning.
Perfect for an afternoon spent beachcombing or voyaging out on the water, Costa's Ballast sunglasses are ready for whatever the day brings. Frameless and almost weightless, these Polarized Costa men's sunglasses boast a durable TR90 nylon and weigh in at a lightweight 16 grams. Whatever watersport or waterside adventure a day on the water brings, Costa's Ballast are always looking to uncover something new.
Model name:
Ballast
Item no:
BA 11 OBMP
Frame color:
Shiny Black
Lens color:
Blue Mirror
Lens material:
Polarized Polycarbonate (580P)
Frame fit:
Narrow
Size:
M
Nosepad adjustable:
No
Lens curve:
Base 8 Decentered
| M |
|---|
| 1. Frame Width: 128.6 mm |
| 2. Bridge Width: 15 mm |
| 3. Lens Width: 60 mm |
| 4. Lens Height: 37 mm |
| 5. Temple Arm Length: 125 mm |
Narrow Fitting
A small lens front designed to fit those with a slightly narrow head.
8 Base Curve Decentered - Max Coverage
Frames with maximum-coverage and wrap that help reduce light leak.
Narrow
Forgot Your Ruler?
Use this handy guide to gauge the fit you're looking for.
S
M
All the Way?
You might be looking for a small or medium frame.
M
L
Middle Pegs?
You might be looking for a medium or large frame.
XL
Last Two Pegs?
You might be looking for an x-large frame.
Blue Mirror
Best for bright, full-sun situations on the open water and offshore.
- Gray Base
- 10% light transmission
Optimal usage
- Boating and fishing in deep water
- Open reflective water
- Harsh sun
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
580® Polarized Lenses
580® lightwave Polycarbonate
- C-Wall® Molecular Bond
- Mirror (Optional)
- Polycarbonate Lens
- Polarized Film
- Polycarbonate Lens
- C-Wall® Molecular Bond
Lightweight, Impact-Resistant
- Polycarbonate & are your lightest and most durable lens material options
- C-WALL® is a molecular bond which is scratch-resistant
U.S. PATENT NO. 7.506.977
Ballast
Costa Case
