Don a pair of Costa Mariana Trench 111 eyeglasses for functional style. With cat eye frames, these glasses complement those with a square face shape. The bio-resin used in the acetate-frame eyeglasses is lightweight and hypoallergenic. Aside from being durable and flexible, the material is also sustainable and reduces your carbon footprint. The refined, full-rim design allows you to pull off a sophisticated look. A saddle bridge creates a balanced, satisfying fit. Regular hinges are durable and easily maintainable, so you can enjoy these shades for years to come.