The choice of professional anglers, Over-Glasses Wide Line Sunglasses from Cocoons fit comfortably over prescription eyeglasses, eliminating glare and harsh UV rays. The patented frames feature adjustable Flex2Fit temples, providing a secure, comfortable fit. Your eyes are completely isolated from the elements, eliminating eye strain and fatigue. Wide Line fits prescription glasses measuring up to 5-5/8inch W x 1-3/8inch H.Polarized UV400 scratch-resistant lenses Ultra-lightweight ballistic nylon construction Soft Touch frame finish Manufacturer's lifetime warranty Floating case and cleaning cloth included About your Cocoons lenses: Blue Mirror offers additional reflection with blue light filtration for glare reduction, sharp contrast, and natural color definition. Gray delivers natural color definition and contrast and is ideal for everyday use in bright light conditions. Amber allows 14% light transmission and enhances depth perception by increased contrast in normal light conditions. Yellow allows 27% light transmission which provides maximum contrast in low light conditions such as dusk and dawn. Green Mirror reflects additional glare while enhancing the high contrast nature of the amber lens tint.