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Product DescriptionThe smallest fragment can end the biggest mission for a soldier, but the best eyewear does more than protect against ballistic fragmentation. It provides the optical clarity that helps the soldier avoid the danger in the first place. It offers uncompromising comfort so the soldier can concentrate and stay focused. And it maximizes efficiency and convenience by offering the widest possible compatibility. Oakley has spent decades engineering combat-ready equipment for the U.S. Armed Forces, and the SI Ballistic M Frame 3.0 Sunglasses bring the future of protective eyewear to today's battlefield and beyond. The Oakley icon is synonymous with precision optical engineering and unrivaled innovation, and this design shows why. Barely more than an ounce in weight, the SI Ballistic M Frame's ultra-lightweight yet rugged design meets or exceeds the ballistic fragmentation impact standards of MIL PRF-31013, Clause 188.8.131.52, as well as the high-mass and high-velocity impact requirements of ANSI Z87.1-2003/2010. Oakley's entirely new thin stem technology optimizes durability while enabling compatibility with over-ear hearing protection and communication systems. Clear, unobstructed vision is maintained by an advanced anti-fog coating of all lenses. Offering the ultimate in convenience, compatibility, clarity, and comfort, this protective optical system is paired with three optional interchangeable lenses, all of which are optimized with the visual fidelity of High Definition Optics and Polaric Ellipsoid geometry. All optional lenses are made of Plutonite, Oakley's high-purity optical-grade polycarbonate, which filters out all UVA/UVB rays and harmful blue light up to 400nm wavelength. Oakley's patented ARGO lens cut maintains clarity at all angles of vision, not just straight ahead. Lightweight O Matter frame material resists chemicals and impact to ensure long-lasting durability. The hydrophilic Unobtainium nose pad provides a secure fit, even when it's raining or you're sweating. The frame system's convenient design allows for quick, tool-free lens changing. SI Ballistic M Frames are fully compatible with helmet-mounted night vision devices, as well as with MICH, ACH, CVC, PASGT, and Crye Helmets.
Grey Lens - Suitable for medium to bright light, the Grey Lens features 15% visible light transmittance. This excellent all-purpose lens enhances contrast in sunny conditions and meets MCEPS neutrality and chromaticity requirements.
Clear Lens - The all-purpose Clear Lens features 89% visible light transmittance, suitable for use in low-light to no-light conditions.
Persimmon Lens - This sport performance lens features 69% visible light transmittance, suitable for use in low-light to no-light conditions. Persimmons lenses filter blue light to boost contrast and enhance depth perception in overcast or shaded conditions.