Costa Del Mar Fantail Polarized Sunglasses – Tortoise/Grey Blue Mirror 580G
🔥 #4 in Polarized Sunglasses · New Premium polarized lenses trusted by serious outdoor users
Costa Del Mar Fantail Polarized Sunglasses – Tortoise/Grey Blue Mirror 580G
Costa Del Mar 4.1
#4
in Polarized Sunglasses
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01 / Spec
Top features
Frame StyleTortoise acetate (classic wrap)
Lens MaterialGlass (580G)
PolarizationYes—optical-grade
Costa Del Mar Fantail polarized sunglasses deliver premium optics and build quality trusted by fishing and water-sports enthusiasts. Features 580G glass lenses with exceptional clarity and true polarization, 100% UV protection, and a classic tortoise/grey-blue mirror finish. Frame is durable acetate with solid hinges—built for years of use.
Designed for driving, fishing, and outdoor wear, the Fantail offers a timeless style that's never looked dated. The 59mm fit suits most faces comfortably. Costa backs the frame with a manufacturer's warranty.
Value position: Premium-mid pricing ($150–180 range) reflects superior lens technology and durability versus budget polarized alternatives. Recommended for buyers prioritizing optical clarity and longevity over maximum affordability.
02 / Signals
Why it's hot
Trusted polarized lenses by dedicated anglers and water-sports enthusiasts.
- Value for money 79
- Review rating & velocity 100
- Community sentiment 100
- Brand reputation 100
- Search heat 87
- Est. return & defect rate 99
03 / Verdict
Pros & cons
Pros
- True optical-grade polarization
- Exceptional lens clarity
- Durable build and hinges
- Excellent UV400 protection
- Classic timeless style
- Strong community reputation
Cons
- Premium price vs. budget brands
- Heavier than some competitors
- Limited colourway availability
Frame StyleTortoise acetate (classic wrap)
Lens MaterialGlass (580G)
PolarizationYes—optical-grade
UV Protection100% UV400 (UVA/UVB)
Lens Colour TintGrey blue mirror
Frame MaterialAcetate
Frame Width Fit59mm
Weight~42g (glass-lens)
WarrantyManufacturer warranty included
Included AccessoriesSoft case, cleaning cloth
05 / Your take
How was Costa Del Mar Fantail Polarized Sunglasses – Tortoise/Grey Blue Mirror 580G?
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05 / Compare
Compare the best alternative
One useful head-to-head in Polarized Sunglasses, with the rows most likely to separate the contenders.
Open full comparison → 
SUNGAIT Rectangular Polarized Sunglasses (Black/Brown)
UV Protection
100% UV400 Most protective UV400 / 100% UVA-UVB
Lens Clarity & Polarization
Glass 580G optics Best glare cut Strong polarization, crisp optics
Frame & Hinge Durability
Solid acetate & hinges Toughest build Sturdy metal, occasional hinge reports
06 / Rivals
Compare with
07 / Variations
Other colors
Costa Del Mar Fantail Polarized Sunglasses — Matte Black & Grey-Blue Mirror
Matte Black/Grey Blue Mirror 580g · 59
#15 in Polarized Sunglasses
Costa Del Mar Fantail Polarized Sunglasses — Tortoise/Grey-Blue
Tortoise/Grey Blue Mirror 580p · 59
#29 in Polarized Sunglasses
Costa Del Mar Fantail Polarized Sunglasses – Copper Green Mirror 59mm
Blackout/Copper Green Mirror 580g · 59
#36 in Polarized Sunglasses
Costa Del Mar Fantail 580G Polarized Sunglasses – Rectangular Black/Blue Mirror
Black/Blue Mirror Polarized-580g · 59 mm
#43 in Polarized Sunglasses
Costa Del Mar Fantail Polarized Sunglasses – Blue Mirror 580P
#71 in Polarized Sunglasses
Costa Del Mar Fantail 580G Polarized Sunglasses – Tortoiseshell/Blue Mirror
Tortoise/Blue Mirror-580g · 59 mm
#80 in Polarized Sunglasses
Costa Del Mar Fantail Polarized Sunglasses – Blackout/Green Mirror 59mm
Blackout/Green Mirror 580p · 59
#81 in Polarized Sunglasses
Costa Del Mar Fantail Polarized Sunglasses – Tortoise Frame with Green Mirror 580G
Tortoise/Green Mirror 580g · 59
#95 in Polarized Sunglasses
Costa Del Mar Fantail Polarized Sunglasses, Gray 580P
Blackout/Gray 580p · 59
#97 in Polarized Sunglasses
Costa Del Mar Fantail Polarized Sunglasses — Blackout/Blue Mirror 580G
Blackout/Blue Mirror 580g · 59
#157 in Polarized Sunglasses
08 / Browse
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