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 12frames en 166ft bolcobftpsi h