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.
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