The Bolle Cobra Safety Spectacles are the essential all-rounder with a panoramic visual field. The wrap-around fit allows the user to work without any visual interference, offering 180° panoramic visual field with perfect optical quality. They have a non-slip nose bridge and have clear an anti-scratch and anti-fog Platinum Coating. There is an option for swapping the temples for an adjustable strap and foam edge means Cobra is a highly versatile model. Lens: EN170-UV 2C-1.2.Frames: EN 166FT. BOLCOBFTPSI has foam comfort arms.BOLCOBFSPSI has an adjustable strap.Bollé Cobra Clear Safety Spectacles PSI are fitted with an adjustable strap.