Optic Nerve

Optic Nerve Castline Sunglasses - Matte Black

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Featuring an angular lower edge for extra style and protection, the Castline's polarized, mirrored lenses will make for the ultimate viewing experience on your next water adventure!


  • Glare-cutting polarized lenses
  • 100% UVA/UVB protection
  • Lifetime warranty


  • Unisex Fit - Fits average face sizes | Round & Square Face Shapes