Costa Del Mar Fantail 580G Polarized Sunglasses – Rectangular Black/Blue Mirror

Costa Del Mar Fantail 580G is a premium rectangular polarized sunglasses trusted by drivers and outdoor enthusiasts. Features 580G polycarbonate lenses with true polarization and full UV400 protection, plus a blue mirror tint that reduces glare while maintaining color fidelity. The black frame uses durable materials with solid hinges; the 59mm fit suits medium to larger faces. Costa Del Mar's reputation for optical quality and hinge durability stands out in eyewear communities, though the mid-to-premium price (~$120–$180) places it above value rivals like SUNGAIT or Knockaround. Backed by manufacturer warranty. Best suited for those prioritizing lens precision and longevity over budget-friendly entry points.