Replacement lenses compatible with Ray-Ban Meta Wayfarer RW4006 (50 mm) with UV400 protection are precision-cut lenses designed to restore clarity and protection to your smart sunglasses without replacing the entire frame. Made from durable polycarbonate, these lenses typically feature UV400 protection that blocks 100% of harmful UVA and UVB rays, along with scratch-resistant coatings and optional polarization to reduce glare and improve visual comfort. They are specifically engineered to fit Ray-Ban Meta Wayfarer RW4006 50 mm frames, ensuring a secure fit and easy installation while maintaining the original style and performance of your glasses.