Never used brand new. • Lenses feature Oakley's HDO Optics with Polaric Ellipsoid Technology • Lenses feature a permanent anti-fog coating on the back surface • UV protection of Plutonite® lens material that filters out all of UVA / UVB & harmful blue light up to 400 nm wavelength • Meets or exceeds high mass and high velocity impact requirements per ANSI Z87.1-2003/2010 • Meets or exceeds ballistic fragmentation impact standards per MIL PRF-31013, Clause 3.5.1.1. • Secure fit even under wet conditions via Hydrophilic Unobtainium® nose pad • Clear lens features 89% visible light transmittance, suitable for use in low light to no light conditions • Persimmon lens features 69% visible light transmittance, suitable for use in low light to no light conditions • Grey lens features 15% visible light transmittance suitable for bright light, meets MCEPS neutrality and chromaticity requirement • FRAME: • Thin stem technology enable compatibility with over-ear hearing protection and communication systems • System features quick, tool-free lens change • Ultra lightweight design (1.05-ounce total weight)