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Sure, a pair of sunglasses might look great, but how do they fit? Our hinges, temples and nose pads are the best in the business. Pushing the limits and rethinking what's possible. This attitude guides how we design our frames and choose the materials we use to make them.

Co-Injected Temples

Tough nylon and Hydrolite™ fuse together to make our most hardcore frames. Most makers glue or slip such material together to make a frame, but with Costa's co-injected frames the two materials literally become one. The result is a frame that grips the skin the more you sweat.

Wire Core

Wire core temples provide stability and durability that's adjustable with a simple tweak for the perfect fit.

Steel Hinges

Our hinges cost more than some of our competitors' entire frames. They're made of stainless steel so as to resist corrosion. And they're flexible so that they keep their shape and adjust perfectly when worn.


The corrosion-resistant alloy that we use in our metal frames and rimless sunglasses is a super tough material called Monel®. We know that you'll likely spend some time on the water and in humid environments, Monel® is up for the challenge.

Embedded Nose Pads

Go ahead, sweat. It makes our nose pads grip even better. The harder you work, the stronger they stick.