Retro Classic Original Body Shaping Shade with Dial Sunglasses - Aviator Style - NS005 - Black - Hassle-free Transition Indoor Outdoor Driving Easily adjust lightness/darkness of lenses with dial Incorporates two polarizing lenses with a simple dial Adjust the lenses darker or lighter with a simple touch of the dial Provides 100% UVA and UVB protection and blocks harmful blue light Features a sturdy, lightweight plastic frame and contemporary design Perfect for driving, action sports, or simply going between indoors and out without removing your shades