KEYSTONE - Black Crystal

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The Keystone’s slightly curved brow, keyhole bridge, and polarized lenses master any situation that calls for a killer pair of frames.

Inspired by the classic rectangle, the Keystone has been designed with a keyhole bridge and rectangle lenses to give it an extra edge. We designed the custom molded NINOX logo to integrate into the construction of each temple flawlessly. The Keystone sunglasses are functional, stylish and memorable. High quality polarized lenses in each colorway reduce glare and keep your vision sharp at any angle. The temples are attached with spring hinges to ensure the best fit possible.

The Keystone sunglasses come in a traditional Dark Tortoise and Black Crystal as well as two statement making colors such as Crystal Clear | Blue Revo and Tortoise Crystal Gradient | Sky Blue Revo. Add some edge to your style with these durable and unique, iconic NINOX sunglasses.

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