AimTrend Mens and Womens Classic Metal Aviator Sunglasses Metal frame Good Quality Plastic Material lens Non-Polarized Lens - The main difference between polarized and non-polarized lenses is that polarized lenses are designed specifically to block the glare from reflected light while non-polarized lenses only block intense light. Lens width: 56 millimeters Lens height: 52 millimeters Bridge: 17 millimeters Arm: 138 millimeters These lenses are large, providing maximum protection to your eyes from the sun and affording your privacy mirrored sunglasses - Mirrored sunglasses are sunglasses with a reflective optical coating (called a mirror coating or flash coating) on the outside of the lenses to make them appear like small mirrors. The lenses typically give the wearer's vision a brown or grey tint. The mirror coating decreases the amount of light passing through the tinted lens by a further 1060%, making it especially useful for conditions of sand, water, snow, and higher altitudes. Mirrored sunglasses are one-way mirrors. AimTrend Classic Metal Aviator Sunglasses is designed for Both Sexes Men and Women UV 400 Protection, It will protect you from 99 to 100 percent of both UVA and UVB light. Clear Moveable Nose Pads