Presenting the Oakley Si Ballistic Det Cord Rectangle Non Polarized Sunglasses in matte black with clear lenses, a robust eyewear solution designed for safety and comfort. Featuring comms compatible ear stems, a rubberized unobtainium nosepiece, and thin stem technology for over-ear compatibility, these sunglasses are ANSI Z87.1 certified for industrial protection. The lenses are crafted from high-purity Plutonite® polycarbonate, offering distortion-free optics and 100% UVA/UVB protection, with a clear lens that transmits 89% visible light. Frame dimensions are 130 mm width, 135 mm arm length, with a lens height of 41.3 mm and width of 60.8 mm, making them suitable for medium-sized faces.