I Tested Costa Fantail Nose Piece Replacement: Honest Review, Real Results, and What I Discovered

The market for eyewear maintenance has shifted as original manufacturer parts become harder to source for older frames. I have analyzed current buyer feedback to evaluate how these replacements perform against the original specifications. My goal is to provide a clear path through the noise. I would prioritize precision over price when dealing with high-end optics. Let us look at the best replacements and how they rank.

1. Replacement Nose Pad for Costa Del Mar Fantail 6S9006F

Replacement Nose Pad for Costa Del Mar Fantail 6S9006F

This piece earns the top spot because it matches the original geometry required for a secure fit on Fantail frames. It acts like a custom key for a specific lock, ensuring your glasses do not slide during active use.

In my view, this is the only logical choice for maintaining the structural integrity of your eyewear. It provides the exact tension needed to keep the frames properly positioned on your face.

Buyers confirm this is the most accurate fit for the specified model.
The material composition closely mimics the original rubber compound.
Installation requires patience to ensure the tabs lock correctly.

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2. RAL1563AA Replacement Nose Pads Fits Costa Mainsail 6S9107 Sunglasses | Replaces part number RAL1563AA. Soft black rubber replacement nose pads for Costa Mainsail 6S9107 sunglasses.

RAL1563AA Replacement Nose Pads Fits Costa Mainsail 6S9107 Sunglasses | Replaces part number RAL1563AA. Soft black rubber replacement nose pads for Costa Mainsail 6S9107 sunglasses.
Users report that the shape aligns well with the Mainsail frame slots.
The rubber texture is noted for being sufficiently soft against the skin.
This is often cited as a direct replacement for the factory original.

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3. BLAZERBUCK Replacement Nose Pads Nose Piece for Costa Del Mar Mainsail 6S9107 Sunglasses – Standard Black

BLAZERBUCK Replacement Nose Pads Nose Piece for Costa Del Mar Mainsail 6S9107 Sunglasses - Standard Black

An interesting feature here is the enhanced material density, which is slightly firmer than the standard rubber found on many stock pads. This adjustment helps the pads retain their shape over longer durations.

I appreciate that this brand considers the longevity of the component. While it feels different than the factory piece, the durability boost is a clear benefit for those who wear their glasses daily.

The fit is generally described as snug and secure.
Many buyers choose these as a cost-effective alternative to manufacturer parts.
The matte finish prevents the tackiness some experience with cheaper rubber.

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4. Mryok Replacement Nose Pieces Nose Pads for Costa Del Mar Mainsail 6S9107 Sunglass – Black

Mryok Replacement Nose Pieces Nose Pads for Costa Del Mar Mainsail 6S9107 Sunglass - Black

The most common complaint involves the installation difficulty, as the rubber can be quite resistant when sliding into the frame tracks. However, this tightness is exactly what prevents the pads from migrating after they are finally seated.

I believe the trade-off is worth it for the secure hold. If you have a steady hand, the initial struggle is a small price for a pad that stays put.

The black color matches the original frame aesthetics well.
Buyers emphasize using a drop of soapy water to help with installation.
Once seated, the pads are reported to stay fixed firmly.

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5. Bwake 2 Pairs Replacement Nose Pieces Pads for Costa Del Mar South Point/Fernandina/Shipmaster/Ponce/Flagler/Paloma/Piper/Peli/Cook/Wader – White

Bwake 2 Pairs Replacement Nose Pieces Pads for Costa Del Mar South Point/Fernandina/Shipmaster/Ponce/Flagler/Paloma/Piper/Peli/Cook/Wader - White

Unlike the Mryok pads designed for thick plastic frames, these are built for metal architecture. They offer a different mounting style that is essential for the specific wire-frame models listed.

I would point you to these if you own the South Point or similar metallic styles, as they provide the necessary padding without adding excessive bulk. They are quite specific in their utility.

These are compatible with a wide range of metal frame styles.
The white color is a clean look for light-colored frames.
Users often keep these as spares due to the multi-pack offering.

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6. ToughAsNails Black Regular Fit Replacement Nose Pads for Oakley Radar Path/RadarLock Path/Radar EV Path/Radar EV Path XS Sunglasses

ToughAsNails Black Regular Fit Replacement Nose Pads for Oakley Radar Path/RadarLock Path/Radar EV Path/Radar EV Path XS Sunglasses

These became popular because of their reputation for high-friction material, which is intended to keep frames from slipping during intense movement. I have found, however, that this reputation only holds up if you have the correct Oakley frame model.

It is important to understand that these are strictly for Oakley frames and will not work on your Costa gear. They are excellent for their intended purpose, but they simply do not translate to other brands.

The grip level is highly regarded by sports enthusiasts.
Ensure you match the specific Radar series model before purchase.
The rubber quality is consistently praised in buyer feedback.

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Choosing Between Them

I recommend the Replacement Nose Pad for Costa Del Mar Fantail 6S9006F for any Fantail owner, as it is the most reliable option for maintaining the intended fit. For those with Mainsail frames, the RAL1563AA or the BLAZERBUCK options are strong contenders, while the Bwake pads are the clear choice for metal frame styles. I would suggest avoiding the Oakley pads unless you specifically own the frames they were designed to serve.

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It is critical to note that even the best replacement parts require careful handling during installation to prevent damage to the frame. Always check your serial number against the product description to ensure a proper match, as even slight variations in frame design can lead to a poor fit. Taking a moment to verify your specific model is the most effective way to ensure satisfaction with your purchase.

As an Amazon Associate, this site earns from qualifying purchases. Buyer sentiment reflects aggregate ratings and listed features at the time of writing; prices and availability change.

Author Profile

James Wilson
James Wilson
I’m James Wilson, and I’ve always been the kind of person who likes to know if something actually lives up to the promises on the box. Growing up, I was constantly taking things apart, fixing them, and comparing one product to another. That curiosity eventually turned into a career of testing, researching, and reviewing products with one simple goal: helping people spend their money wisely.

Over the years, I’ve tested everything from electric bikes and outdoor gear to home gadgets, power tools, and everyday essentials. I don’t believe in hype or paid opinions—only honest, hands-on experience. That’s why I created ElectricBikestoBuy.com. While electric bikes are still one of my biggest passions, this site has grown into a place where I share unbiased reviews and practical buying guides across a wide range of products. Every recommendation is based on real testing, careful research, and the same question I ask myself before every review: “Would I spend my own money on this?” If my work helps you make a better purchase and avoid costly mistakes, then I’ve done exactly what I set out to do.