Costa Del Mar Brine II Matte Black / Sunrise Mirror 580G Polarized Sunglasses – 6S9134 913407 59-17. Lens Material: 580G Polarized Glass. TheCosta Del Mar Brine II is designed for water explorers who demand superior performance, durability, and comfort.

Premium 580G Polarized Glass Lenses. 580G Lightwave Glass Construction. Exploded 580G Lens Layer Structure The Brine II is a refined evolution built for those who demand more from their gear. With improved ergonomics and advanced grip technology, it provides a secure fit across a wide range of face shapes — from small to large.