Costa Del Mar Mainsail MATTE BLACK BLUE MIRROR 580 glass polarized lens
6S9107 910701 55-18ORDER BEFORE
2 pm eastern time
We will ship it the same Day
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Shipping Days are Monday-Friday
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Warranty Information
All items sold by us are covered by a 1 year Sasy420 warranty against any mechanical failure. The warranty does NOT include any cosmetic damage to the sunglasses or watches or any other item. Damage resulting from improper use, lack of care, accidents or normal wear and tear are NOT covered under the warranty. In case the watch cannot be repaired it will be replaced with a new watch or similar price watch.
About Sasy420
WorldTech Group Inc. | Established 1998
Experience You Can Trust
Welcome to Sasy420. We aren't just another online storefront; we are pioneers in the digital marketplace. With a legacy of excellence stretching back to 1998, we have spent over 25 years perfecting the art of customer service and premium product curation.
Our mission is simple: to provide you with the world’s most sought-after brands—from high-performance eyewear to precision timepieces—while offering a level of transparency and reliability that only decades of experience can provide.
The Sasy420 Promise
Zero tolerance for fakes or refurbished goods. All items arrive in original company packaging.
Enjoy Free Shipping and Free Returns on every order.
Full money-back guarantee with absolutely no restocking fees.
Accurate descriptions and honest communication on every listing.
Our Independent Spirit & Warranty
At Sasy420, we pride ourselves on being an independent seller. While we are not an authorized dealer for most of the brands we carry (unless specifically stated on a product page), we stand firmly behind everything we sell.
The Sasy420 Warranty: We provide our own 1 to 2-year sasy420.com warranty against any manufacturing defects. Please note that while we cover workmanship and internal components, cosmetic damages from regular use are not covered.
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Product details
Costa Del Mar Mainsail sunglasses with a matte black frame and blue mirror 580 glass polarized lenses. A large, regular-fit everyday frame that is ready for the water, with micro side shields, hooding and eyewire drains. Brand new, 100% authentic, in original Costa packaging.
Specifications
| Style | Mainsail |
| Frame Color | Black (matte finish) |
| Lens Color | Blue Mirror |
| Lens | 580 Glass, polarized |
| Lens Curve | 6 base – medium coverage |
| Made In | USA or Italy |
| Condition | Brand new, original packaging |
Features
- Micro side shields and hooding to keep excess light out
- Improved Hydrolite® grips on the temples
- Eyewire drains and channels to keep sweat and water out of your eyes
- Bio-based frame material
- C-Wall® lens coating repels water, oil and sweat for easy cleaning
Complete Size & Fit
- Frame Width: 136.2 mm
- Frame Fit: Regular
- Frame Size: L
- Lens Width: 55 mm
- Lens Height: 42.9 mm
- Bridge Width: 18 mm
- Temple Length: 136 mm
What’s in the Box
Sunglasses, cleaning cloth, and Costa Del Mar hard case.
Sasy420 is not an authorized dealer of Costa Del Mar.
Why buy from Sasy420
Order before 2pm ET Mon–Fri and it ships that day — free, with tracking.
Not right for you? Send it back within 30 days, free. Return policy ›
Covers mechanical failure on every item we sell. What’s covered ›
Every item is genuine and inspected before it ships. Selling online since 1998 — 400K+ items sold, 99.9% positive feedback on eBay.
Questions about a product? Our team is here to help — Contact us ›