Radians Adrenaline Aluminum Alloy Metal Frame Glass, Gold Lightweight Aluminum Alloy Frame Glass Reverse Hinges Adjustable Rubber Nosepiece Rubber Tipped Temples Includes Neck Cord and Case Reverse hinges and adjustable nosepiece provide a secure, comfortable fit All of Radians glasses are produced in ISO Certified facilities. They meet or exceed ANSI Z87.1 + standards and many styles have also been evaluated to Canadian Standards.