Unisex Aviator Style Sunglasses Mens Womens UV400 100% Protection From UVA UVB metal frame plastic lens non-polarized Lens width: 55 millimeters Lens height: 50 millimeters Bridge: 20 millimeters Arm: 135 millimeters unisex adult size aviator style sunglasses to fit head size 56-59cm adjustable nose pads for a more comfotable fit, sprung hinges to adjust to head width UV400 100% protection from harmful UVA & UVA sunlight light weight metal frame construction with durable nickel coating Glasses conform to ANSI Z80.3 General Purpose UV Protection standards and European Directive 89/686/EEC in accordance with standard Pr EN 1836.1997 and are CE approved.