Tortoiseshell bio-acetate sunglasses. Charcoal grey lenses (100% UVA). Sprung hinges. The bio-acetate and wood layers mean that every single pair of these sunglasses are truly unique, with a luxury feel. Each pair of glasses is carefully finished by hand to make the fitting as comfortable as possible, and the wood is sealed using a water-based sealant. Charcoal grey lenses offer 100% UVA protection (UV400), keeping your eyes safe in the sun. Includes our handmade eco-cork case and a Share Your Sun cleaning cloth, packaged with recycled, sustainable and compostable packaging.