Perfect for an afternoon spent beachcombing or voyaging out on the water, Costa's Ballast sunglasses are ready for whatever the day brings. Frameless and almost weightless, these Polarized Costa men's sunglasses boast a durable TR90 nylon and weigh in at a lightweight 16 grams.
Lens Technology: All Costa lenses are 100 % polarised and provide 100% UV A/B/C protection. All Costa lenses have 100% UV blockage for maximum protection and 100% polarization to kill reflected glare. The 580 technology goes beyond polarization to produce the clearest lenses on the planet.
580 Polycarbonate Lens : 100% polarisation. 100% UV protection. Unmatched clarity, contrast and definition. This is what you'll see through every pair of Costa 580 lenses.
Lens Options :
Frame Specifications : Frame Fit : XL
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