Got a rough and tough job in difficult outdoor conditions? Then Forecflex by Crewswith a an outdoor Gray Lens is what you are looking for. ForceFlex safety glasses offer an unparalleled level of eye protection that were designed to meet military specs, and the Gray Lens helps to block out some of the bright outdoor UV Rays allowing the users to be have clear contrasting vision. Tough, durable, will bend but not break in rough enviroments. Unique multi point injected safety glasses that allow maximum protection for the user. Forceflex standards are tough just like yours. Forceflex safety glasses are engineered to provide the very best in eye protection.