100% protection from harmful UV rays THESE ARE BIFOCALS Adjustable silicone nose pads and spring hinges It has a lifetime warranty Polarized polycarbonate and metal alloy frame These Suncloud Optics Polarized Wire Aviator Reading Sunglasses are designed to be the perfect medium fit classic wired aviator. Polycarbonate injected lenses are lightweight & highly shatter resistant with polarization that reduces annoying glare. Aviator shape provides vast coverage over the eyes along with a spring hinged design allowing for optimal durability & comfort. Suiting any face shape, each pair comes equipped with clear silicone adjustable nose pads to make for the perfect fit. Singular powered lenses give a zero distortion experience when in use. Choose from our different magnification options to find the perfect pair of reading sunglasses for everyday use! (Frame Width: 149 mm; Lens Height: 48 mm; Lens Width: 63 mm; Bridge Width: 14 mm; Temple Length: 128 mm) LIFETIME WARRANTY.