Oakley Standard Issue Ballistic HNBL PPE sunglasses are designed with the modern warrior in mind. These glasses feature a matte black o matter frame, known for its durability and lightweight comfort. O matter is Oakley's proprietary material that offers superior protection without compromising on style or comfort. The rectangle shape adds a touch of sophistication to your look, while the clear lenses ensure optimal visibility. Designed specifically to meet US military standards, these shades offer superior protection without compromising style. Available with prescription lenses.