BALLAST (BA 10 OCP)
Costa's Ballast sunglasses are unisex, frameless, and made of bio-based nylon. They feature 100% polarized polycarbonate lenses with 580 technology and C-Wall scratch resistance.
- The description claims that Costa's 580 lenses block the perfect amount of harsh yellow light and harmful blue light while enhancing reds, blues, and greens.
- The description claims that the lenses provide less haze, less blur, greater contrast, and greater clarity.
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