Costa Fantail 580G Polarized Sunglasses

We’ve read the reviews across the web for the Costa Fantail 580G Polarized Sunglasses and summarize the results below:

Universal Ranking

PeakScore: N/A (out of 100)
User Rating: 4.6 stars 
Expert Rating: N/A stars

Number of Ratings Reviewed: 1629

Pros & Cons

Reasons to buy:

User Reviews

  • Blocks out bright sun to protect your eyes during sunny days.
  • Stays securely on your head while doing outdoor exercise and activities.
  • The polarized lenses and clarity helps provide crystal-clear vision.
  • The frame is very comfortable for wearing during all-day use.
  • The weight is light enough to remain comfortable for multi-hour wear.

Expert Reviews

  • The non-slip lining ensures the sunglasses stay on securely during use.
  • Available in a wide variety of frame colors for complete personalization.
  • These sunglasses are durable enough to withstand saltwater swimming.
  • The nylon construction ensures maximum comfort and durability.
  • The hinges are high-quality and rust-resistant for long-lasting use.
  • Provides sufficient air flow for ventilation and sweat prevention.
  • The lens coating provides clarity, bright colors, and contrast for use in a variety of lighting environments.
  • The glass lenses are crystal-clear for great vision.
  • The rectangular frame can fit a wide variety of face shapes for versatility.

Reasons NOT to buy:

User Reviews

  • The lenses can create double-vision when the light is dim.
  • The lenses can be scratched although they are scratch-resistant, showing a lack of long-term durability.
  • The rubber on the glasses can fall off after only minimal use.
  • The ear piece is slightly flimsy for a lack of durability in tough conditions.

Expert Reviews

  • The glass lenses make the sunglasses expensive and at the high-end of the price spectrum.
  • The medium frame fit is the only size offered, which can reduce the compatibility.


The Costa Fantail 580G Polarized Sunglasses are durable, high-quality, and crystal-clear for increased clarity over multiple seasons. If you frequently wear sunglasses for outdoor activities or for just lounging outside, these polarized glasses provide long-term durability in tough conditions.


Note: User and expert rankings were reviewed across the web. Some expert reviews include these: 1.