Lightweight goggles with Zeiss lenses The Out Of Void Austronaut goggle comes with high-quality Zeiss lenses and is a featherweight at only 122 g. Their OTG technology allows you to wear your prescription glasses underneath, while the double-layer anti-fog lens ensures the best view, even in bad weather. Gold 24 MCI lens This lens is perfect for sunny and slightly cloudy days on the mountain.Transmittance of visible light: 15 % FeaturesYou can wear them over prescription glasses (OTG)Inner silicone grips with fading texture on the inside of the strap50 mm strapHelmet-compatibleMicrofibre case included for protection and cleaning100 % UV protectionHypoallergenic triple density foam with moisture-wicking fleeceDouble-layer anti-fog lensDimensions: 184 mm x 103 mm x 69 mmWeight: 122 g