Timeless style for daysss. This tailored silhouette will class up just about every mug. Made with bioacetate a biodegradable & petroleum-free material. Earth-friendly, optical-grade materials. We design our shades a block from the beach at our Venice HQ sun protection matters to us. Our sunglasses are handcrafted with premium, optical-grade materials to ensure maximum durability, comfort and 100% protection from harmful UV rays. Frame: Handcrafted bioacetate biodegradable & petroleum free. Prescription ready. Lens: Polarized CR-39 lenses with 100% UVA/UVB protection. Hardware: Durable 5 barrel hinges. Custom wire temple cores for added strength and superior fit. Beveled coffin temple accents. Measurements: 46mm / 23mm / 142mm Fit: Medium width