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Description
Costa Del Mar Reefton Matte Gray Frame - Blue Mirror 580 Glass Lens - Polarized SunglassesStyle: RFT 98 OBMGLP With 12 different river systems less than an hour's drive from town, it's no wonder New Zealand's Reefton is world renowned for its freshwater fishing. These size large frames are the perfect companion to explore any body of water and will stay put on larger heads under any condition thanks to their co molded temples, Hydrolite nose and temple pads, and cam action spring hinges. Product Details: Frame Color: Matte Gray Lens Color:
Style: RFT 98 OBMGLPWith 12 different river systems less than an hour's drive from town, it's no wonder New Zealand's Reefton is world-renowned for its freshwater fishing. These size large frames are the perfect companion to explore any body of water and will stay put on larger heads under any condition thanks to their co-molded temples, Hydrolite nose and temple pads, and cam action spring hinges.
Product Details:Frame Color: Matte Gray
Lens Color: Blue Mirror
Lens Material: Polarized Glass (580G)
Frame Fit: Wide
Size: L
Performance Technology:
Costa 580 Lenses:
Beyond Polarized:
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):
Cuts haze and blur for greater clarity
In addition to 100% protection from UV light, 580 technology also absorbs HEV light known to cause macular degeneration, pterygium, cataracts and other eye diseases
In addition to 100% protection from UV light, 580 technology also absorbs HEV light known to cause macular degeneration, pterygium, cataracts and other eye diseases
Enhancing Reds, Greens, and Blues:
Blocking harsh yellow light at 580 nm on the visible light spectrum boosts the amounts of red, greens and blues naturally, enhancing colors and contrast
Filtering Out Harsh Yellow:
For enhanced color, sharper contrast and higher definition
Lens Technology:
Light conditions are constantly changing. To get the most out of Costa lenses, it's important to choose the right color. Costa Del Mar offers seven lens colors that range from low-light like dawn to extremely bright light with blinding glare.
Choosing a Lens Color:
Light conditions are constantly changing. To get the most out of Costa Lenses, it's important to choose the right color. Costa offers seven lens colors that range from low-light like dawn to extremely bright light with blinding glare.
For offshore, blue mirror is the way to go. For freshwater and inshore, green mirror and copper are great options. For low light at dawn or dusk, sunrise silver mirror is perfect. Gray lenses are the best choice for everyday activities. Of course, the best way for you to decide is to consider your environment.
Lens Color:
Blue Mirror:
Best for bright, full-sun situations on the open water and offshore.Gray Base
10% light transmission
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
Open reflective water
Harsh sun
Frame Qualities:
Costa offers frames to meet everyone's needs. Customers can choose a frame based on color, hypoallergenic materials, durability, lightness, cost and uniqueness. Each frame offers its own performance advantages and style features for eyewear that fits every occasion.
Co-Injected Nylon Frames:
The nylon frames are tough and durable, with more color options manufactured using the environmentally friendly bio-resin process. TR-90 nylon is a premier material for sports and performance frames as it is resistant to heat and cold. Though it is flexible, it is still durable. Nylon is easily molded into wraparound and other shapes.
Frame Materials:
Tri- Lateral Fusion
Costa is the industry leader in this manufacturing process.
Original bilateral and trilateral styles are created by bonding together two or three distinct colors into one frame.
Each layer is comprised of solid color bio-resin. The result is a highly durable frame with chip-proof color.
Costa offers multiple unique color combinations in both bilateral and trilateral styles.
Original bilateral and trilateral styles are created by bonding together two or three distinct colors into one frame.
Each layer is comprised of solid color bio-resin. The result is a highly durable frame with chip-proof color.
Costa offers multiple unique color combinations in both bilateral and trilateral styles.
Quality Hinges:
The corrosion-resistant, stainless steel flexible hinges keep their shape and fit perfectly.
They come in three types:
Integral
Optical spring
Five-barrel optical
They come in three types:
Integral
Optical spring
Five-barrel optical
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 17 reviews
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Product Reviews
★★★★★ 5
Finally a Chair That Fits and Feels Great
Color: Black, Style: With Headrest
I recently purchased the Marsail Ergonomic Office Chair, and overall, I couldn’t be happier with it.
First off, assembly was incredibly simple. It took me about 30 minutes from start to finish, and the instructions were clear and easy to follow. All the parts were well packaged, and I didn’t run into any issues putting it together.
For reference, I’m 6'2" and about 275 pounds, and this chair fits me very well. As a bigger guy, finding a chair that feels supportive and appropriately sized can be a challenge, but this one hits the mark. The seat is roomy without feeling oversized, and the overall build feels sturdy and solid.
Comfort-wise, it’s been excellent. I work from home and spend about 8–9 hours a day in this chair, five days a week. The thick cushion seat really makes a difference, it stays comfortable throughout the day and doesn’t feel like it’s flattening out after hours of use. I also really like the mesh back. It provides good support while allowing airflow, which helps keep me cool during long work sessions.
The only feature I wish it had is a recline lock at multiple angles. Currently, it only locks in the fully upright position. It would be great to be able to lock it slightly reclined for more flexibility during long workdays.
That said, for the price, ease of assembly, and all-day comfort, this chair delivers tremendous value. I’m giving the Marsail Ergonomic Office Chair 5 stars and would definitely recommend it to anyone looking for a comfortable, supportive office chair, especially if you’re on the taller or bigger side like me.
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Reviewed in the United States on March 2, 2026
★★★★★ 5
This is a terrific office chair at a great price!
Color: Dark Blue, Style: pack of 1
Easy to assemble, with comfortable armrests, lumbar support, and all the functions...it can rock, recline, roll and swivel, plus the seat control easily adjusts up & down, and it comes in a variety of colors. This is my best Amazon purchase ever!!
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Reviewed in the United States on May 22, 2026
★★★★★ 5
A Solid, No-Frills Office Chair That Gets the Job Done
Color: Black, Style: pack of 3
I bought the BestOffice Home Office Chair Ergonomic Desk Chair because I needed something affordable and functional for our conference room. I wasn’t looking for anything high-end—just something comfortable enough to get through staff meetings without complaints of sore backs.
Out of the box, assembly was pretty straightforward. It took me about 20–30 minutes, and the instructions were clear enough that I didn’t run into any major issues. Once set up, the chair feels lightweight but stable, and it rolls smoothly across the low pile carpeted office floor.
The mesh back is probably the best feature. It keeps airflow going, which makes a big difference if you sit for long periods or in a warmer environment. I’ve had padded chairs before that trap heat, so this was a noticeable improvement right away.
The lumbar support is decent for the price. It’s not adjustable in a high-end sense, but it does help encourage better posture and reduces that “slouching into the chair” feeling over time. The armrests are basic, but they do the job for light support.
Comfort-wise, it’s good for moderate use. I can sit in it for a few hours at a time without discomfort, but if you’re planning to sit all day every day, you might want something with more padding and customization.
A few drawbacks worth mentioning:
The cushioning is on the firmer side and I worry may wear with extensive use
The chair is more budget-oriented in build quality
Adjustability is somewhat limited compared to higher-end ergonomic chairs
That said, for the price, it delivers exactly what it promises. It’s a simple, functional office chair that covers the basics without overcomplicating things.
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Reviewed in the United States on March 23, 2026
★★★★★ 4
Good chair and great value, comfortable
Color: Dark Black, Style: pack of 1, Color: Dark Black, Style: pack of 1
The chair is as you expect for this price range
The only Issue is the thigh length is shorter then I thought but still works. The air fabric helps
Keeps it cool to sit in for long periods without sweating
It’s a great chair to sit in for 8 hours as I usually do writing and project planning at my desk.
Over all the assembly was simple and all
The instructions were there with the tools as well.
It rolls fine on my vinyl floor. It’s definitely value for your money on this one and the over all design is fine and works to me at this point.
It don’t have squeaky tires so the noise is good rolling around
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Reviewed in the United States on January 28, 2026
★★★★★ 5
Great value
Color: Red, Style: pack of 1, Color: Red, Style: pack of 1
Easy to put together. Only tough part was getting the wheels on, needed someone strong to attach them. Once together it is a great chair. Height adjusts up and down easily and rolls smoothly. Sturdy chair and the red looks great!
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Reviewed in the United States on June 11, 2026