The RSD Defender Optics Black boasts a classic, tidy design and a lightweight performance frame, perfect for various activities. Featuring spring hinges for an optimal fit, these sunglasses stay securely in place. The Kingpin's rubberized nose bridge and streamlined temples ensure slip prevention and all-day comfort, whether you're tackling backcountry trails or navigating offshore waters. It adheres to ANSI Z87.1 safety standards, providing optical clarity and high mass/high velocity impact protection. Additionally, it offers 99.99% UVA/UVB protection with distortion-free clarity, all within its lightweight frame. OEM, Impact Resistant, High Temperature Resistant, UV Protection Safety Glasses, ANSI Z87.1 Rated. These safety glasses are made of high-quality polycarbonate material lenes.