Ultramodular and infinitely adaptable. BFlex memory bridge with 3 height adjustability. Pivoting nonslip ergonomic temples. Optical Class 1 Platinum clear Antiscratch/Antifog lens. Wrap around base curve. Insert Can be glazed to +6/6. Insert Can include single vision, bifocal or varifocal lens. Supplied c/w hard case, cleaning cloth and neck cord. Approved to EN 166 1FT. Subject to wearers specific prescription. Cleaning and Maintenance. Cleaning : The lenses should be cleaned regularly. Bollé Safety recommends only using the Bclean lens cleaning system. Maintenance Pitted, scratched or damaged lenses must be replaced by replacing the complete product. If the frame is damaged also replace the complete product. After each use it is recommended to keep the spectacles or goggles in a microfibre pouch or rigid case.