NWT ASOS Design 70s Metal Square Sunglasses in Gold Squint-free style Square frames Adjustable silicone nose pads Colored lenses Metal arms Good UV protection FC2 General purpose sunglasses. Good protection against sunglare. Not for direct observation of the sun. Non-prescription sunglasses. Not for protection against artificial light sources such as solariums. Not for use as eye protection against mechanical impact. Wipe gently with a soft cloth. Not suitable for driving in twilight or at night. Frame: 90% Metal, 10% Plastic, Lens: 100% Polycarbonate. These sunglasses conform to BSENISO12312-1:2013+A1:2015, AS/ NZS1067:2016 & ANSI Z80.3.2018