Oakley SI Ballistic M Frame 3.0 by Oakley delivers ballistic-grade eye protection in a low-profile, helmet-compatible silhouette. Designed for tactical and range use, it pairs a shield-style lens with advanced optics and impact resistance. Key attributes: Black | Clear | O-Matter | Meets ANSI Z87.1 impact standards | Meets MIL-PRF-31013 ballistic fragmentation standard | 100% UVA/UVB protection; filters blue light up to 400 nm | Backside anti-fog coating | High Definition Optics (HDO) for minimal distortion | Modular/interchangeable lens system | Nonslip Unobtainium nose pads | Thin stems compatible with over-ear hearing protection and communication systems | Includes Microclear cleaning/storage bag | Shield-style single lens | Low-profile design for helmet compatibility | Slim ear stems | Semi-rimless front | Dimensions & fit: Lens width: 32 mm | Bridge: 13 mm | Temple length: 135 mm | Composition & care: O-Matter frame | Plutonite (polycarbonate) lens