The Suntan Underground Deep Rose Bio sunglasses offer classic style with modern appeal. These sunglasses feature a timeless design with a retro tilt, framed in handcrafted black bioacetate for an earth-friendlier choice. They incorporate high clarity CR-39 deep rose lenses providing 100% UVA/UVB protection. Optical-grade stainless steel hardware and internal wire cores enhance strength and ensure a superior fit, making them suitable for medium to wide faces.