The Castline features an angular lower edge for extra style and protection while the polarized, mirrored lenses make for the ultimate viewing experience on your next big water adventure.
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Things you might not know about Optic Nerve
- We are sponsors of the colorado baseball team
- We are sponsors of the special olympics Mexico ski team
- Our sunglasses have been voted Runner's World "Best Value" Interchangeable Sunglasses
- 303 cycling's Gold Star - "add to your cycling holiday" list
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