You're going to love your Nines Optics Berryessa Sunglasses right out of the box! Built with 9 layers of lens protections and top-of-the-line technologies, these sunglasses are cool, comfortable, and effective. NIRTECH Polarized and NIR lenses are effective at blocking harmful rays. Each pair of Berryessa Sunglasses has anti-glare, anti-reflective, and hydrophobic coatings to help keep your lenses clean and give you the clearest vision possible. Built using a TR-90 thermoplastic material in the frame, these sunglasses are flexible, lightweight, and durable. Nines Optics Berryessa Sunglasses are perfect for anglers on and off the water!