3M Maxim Clear DX Lens Glasses Scratch-resistant Adjustable Length Ventilated Clear Ref 13225-00000M.- The spherical lens for 180? of pure vision & superior eye coverage.- Dual-injected cushion browguard for extra comfort & shock absorption.- DX Coating to resist fogging, scratching & chemicals.- Ventilation channel across the lens to minimise misting.- Soft, universal-fit nosebridge.- Clear.- Adjustable length temples with pantoscopic system.