[Designed to fit over prescription glasses]Safety overspectacles. Adjusable grey polyamide side arms.Pivoting frame.One piece clear anti-scratch polycarbonate lens with protective sideshields. Soft nose bridge. Attachment points on side arms for neck cordLens thickness: 2.00 mm. Weight: 34 g ADVANTAGES Light weight and comfortable wear.Can we worn over most prescription glasses.Large peripheral vision.Pantoscopic adjustement (allow lens angle modification).Adjustable temple length (fulfill different face contours).Reliability of an ISO 9001 system in production. STANDARDS EN 166 1FT EN 170 2C-1,2 APPLICATION TYPES PRECAUTIONS FOR USE Warning: before any use please read carefully the instructions for use and keep it. Never use a product outside its intended area of use. It is brought to the attention of users that a product, even tested and certified according to one or more standards, is never a total guarantee of protection against the risk (s) involved. Always read the limits of use and protection and the precautions for use. Before each use, check the good state of the product. Do not use a worn or damaged product. If any doubt or if you have any questions, please contact Singer Safety® Customer Service at your disposal. APPROVAL Download the declaration of conformity of this product to the regulation (EU) 2016/425 on PPE and / or to another possible regulation on: http://docs.singer.fr