Oyster handmade cellulose acetate frames (acetate is made from cotton & wood, is eco friendly, sustainably sourced & biodegradable). Stainless steel cores for strength and flexibility. Extra sturdy and durable zinc-free barrel hinges. Optical-quality nylon lenses with 100% UV protection. Custom Brain Dead case and cloth included. Post Modern Primitive Eye Protection ™ Sizing (lens width - bridge width - temple length): Oyster 52-22-140 mm Color: Green 14 day FREE return window within the US!
