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COSTA - 6S9018 Rincon
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Overview
Shiny Black (901812) Sunglasses (6S9018 Rincon 901812 63) by COSTA. Size: 63-11-140, Shape: Rectangle, Material: Injected.
The rectangle shape desing feature a full rim injected frame. This model is available in four different color combinations and sizes. COSTA eyewear is built for those who live life outdoors—on the water, under the sun, and always chasing the next adventure. Known for its uncompromising performance and coastal roots, COSTA designs frames that offer top-tier optical clarity and rugged durability, ideal for anglers, surfers, and explorers alike. Each pair is engineered with polarized 580® lenses that eliminate glare, enhance color contrast, and provide 100% UV protection, making them a go-to for high-glare environments like open water or sunlit trails. Constructed with bio-resin frames and corrosion-resistant hinges, COSTA eyewear is both eco-conscious and incredibly resilient, ready for any conditions nature throws your way. With designs that range from wraparound shields to casual lifestyle silhouettes, COSTA offers versatile styles that blend technical innovation with relaxed, ocean-inspired aesthetics. Whether you’re deep-sea fishing, hiking, or simply enjoying a beach day, COSTA eyewear delivers clarity, comfort, and confidence—crafted to keep up with your boldest pursuits.
Specifications
Lens Width: 63
Bridge Width: 11
Temple Length: 140
| Color: | Shiny Black / Green Mirrored Polarized |
| Frame Size: | 63-11-140 |
| Frame color options: | Shiny Black, Matte Black, Matte Tortoise |
| Frame material: | Injected |
| Frame shape: | Rectangle |
| Frame type: | Full Rim |
| Gender: | Men |
| Lenses color options: | Green Mirrored Polarized, Blue Mirrored Polarized, Gray Polarized, Gold Mirrored 580g Polarized |
| Manufacturer: | COSTA |
| Model: | 6S9018 Rincon |
| Style: | Casual |
| Type: | Sunglasses |
| Warranty: | 2 years |
Authenticity
As an official COSTA eyewear retailer, EyeOns.com ensures every pair is 100% authentic and arrives with original packaging and documentation. Trusted by anglers, adventurers, and outdoor lovers alike, COSTA sunglasses are engineered for performance in harsh, sun-drenched conditions. Browse our handpicked selection of COSTA sunglasses featuring polarized lenses and durable frames designed to conquer both ocean glare and everyday adventures.
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Size Guide
Frame Size Guide: How To Measure Your Eyeglasses
The first number— the lens size — represents the horizontal width of the lenses. Generally, the eye size of most eyeglass frames ranges from 40 mm to 62 mm.
The second number — the bridge size — is the distance between the lenses. In other words, it's the size of the "bridge" of the frame that rests on your nose. In most cases, the bridge size of eyeglass frames ranges from 14 mm to 24 mm.
The third number — the temple length — is the length of the "stems" of the frame, measured from the frame hinge to the back tip of the temple. Temple lengths generally range from 120 mm to 150 mm.
Often a small square (rather than a dash) will separate the eye size and the bridge size on the frame.
Face Shape
Wondering what glasses suit your face? Look at the face shapes below and compare your facial features to discover the ideal eyewear that elevates your appearance.
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About
Founded by a small group of Florida fishermen in 1983, Costa began with a single mission: to design glasses that would deliver uncompromised clarity, protection, and comfort in extreme environments.
COSTA Eyewear
Built for anglers, adventurers, and everyday explorers, COSTA eyewear offers wraparound protection, secure fit, and uncompromising durability. But performance doesn’t mean sacrificing style.
FAQs
We might have already read your mind. See below for common questions about our products.
Who makes COSTA eyewear?
COSTA eyewear is manufactured by EssilorLuxottica, a multinational corporation and world leader in eyewear and optics. Thus, the designs are maintained under strict quality standards for both design and execution
Are COSTA eyeglasses good?
Certainly. COSTA eyeglasses are known for their durable materials, comfortable fit, and reliable performance: a good choice for everyday wear.
What’s special about COSTA sunglasses?
COSTA sunglasses feature high-grade polarized lenses that eliminate glare and maximize clarity, especially for outdoor and water activities.
Do COSTA sunglasses scratch?
All lenses will scratch if put through heavy use sometimes, but COSTA's premium lenses are hardened and treated to resist scratches more than many standard sunglass lenses.
What does 580 mean on COSTA sunglasses?
580 refers to COSTA's premium polarized lens technology, which blocks yellow light to enhance contrast and color for sharper vision in the bright environment.
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