Crafted with lightweight, bio-based materials and rimless construction, Costa Gulf Shore sunglasses offer unbeatable comfort for all-day wear on the coast. These frames feature rectangular lenses and a timeless design that will stand the test of time. Key Features: Rectangular lenses for a classic look and enduring appeal. Lightweight, rimless construction for maximum comfort. Crafted with bio-based materials for sustainability and eco-conscious style. Perfect for a day of relaxation and adventure on the coast.