Mariana Trench 530

MRA 530 updates the round frame with a unique brow line and balanced lens proportions, giving it a distinctive and contemporary look. Part of the Mariana Trench 500 Series, it’s crafted from premium bio-acetate and detailed with Costa’s custom metal core wire for a subtle signature touch. A sturdy 5-barrel hinge adds dependable durability, while the resin-inset logo gives the frame a refined, submerged-underwater visual effect. Stylish, versatile, and easy to wear. A modern take on a timeless coastal essential.