The OnGuard 140 Prescription Safety Glasses is a durable frame that comes with removable side shields. These titanium safety glasses feature adjustable silicone nose pads and spring hinges temples to ensure secure fit and comfort. Available in Brown and Gray in 2 different sizes, the OnGuard 140 safety glasses are prescription available. Plus, a replacement EZ Side Shield can be purchased separately. The OnGuard 140 prescription safety glasses meet rigorous industry standards and are ANSI Z87.1, as well as CSA Z94.3 approved for optimal protection. For more options check our OnGuard Prescription Safety Glasses Collection.