The perfect model for climbers! With anti-scratch and anti-fog coated glasses. The rubberized frame tips and nose pads reliably prevent the glasses from slipping. Equipped with a magnetic windshield, ventilated frame and eyeglass strap. Mineral glasses blue FM grey Categorie 4 ISO 7000-2950 light transmission 6 % Base 8 Size M Weight 34 g Glasses 58,5 x 41,7 mm Bracket 122 mm 100 % UV protection