The OnGuard 071 Prescription Safety Glasses is a double bridge frame that comes with removable side shields. This Nickel Silver construction safety frame is available in Gold and Gunmetal, in 3 different sizes. In addition, the Onguard 071 safety glasses are prescription available. Plus, a replacement EZ Side Shield can be purchased separately. The OnGuard 071 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.