The Ray-Ban RB4378 sunglasses, model 0RB4378-7108054-RB, feature a polished black frame and grey gradient lenses, offering a bold and contemporary design. Crafted from high-quality injected material, these sunglasses are lightweight and comfortable for all-day wear. The square frame shape provides a modern and stylish appearance, while the gradient lenses ensure excellent UV protection. Ideal for both casual and formal occasions, these sunglasses are a versatile addition to any wardrobe. Ray-Ban Havana Dark Blue 0RB4378-7108054