Make your old Costa Mainsail lenses like new with our replacement lenses for Costa sunglasses. These lenses perfectly fit Costa Mainsail sunglasses with the model number 6S9107 found on the inner side of the temple arm. And because our lenses meet or exceed the quality of your original Mainsail lenses, you'll get the same performance you've come to expect.
Our Stealth Black lenses cut glare and block 88% of visible light. Plus, a neutral tint means no weird purple shades from the 90s.
Other Features We Like to Nerd-Out About
- Best for bright light (12% light transmission)
- Neutral tint looking through the lens
- Anti-scratch protective coating
- Lens material: optical polycarbonate
Comes With
- 1 pair of replacement lenses (left & right) for your Costa Mainsail sunglasses
- Protective microfiber bag for storage and cleaning
- Costa Mainsail lens care instructions
- Note: sunglass frame not included