The SI Ballistic Goggle® is designed to present the best Oakley has to offer in protection, optical performance, and comfort. The SI Ballistic Goggle® is fully compliant with the ANSI Z87.1 23 for both protection (high mass/velocity impact and penetration) and optical performance requirements as well as MIL V-43511C, Clause 3.5.1 impact standards. The SI Ballistic Goggle® lenses are made from Oakley s high purity, optical grade polycarbonate, Plutonite® (blocks 1% UVA, UVB, and UVC light). The SI Ballistic Goggle® is equipped with a micro-fleece face-foam liner to provide a secure and comfortable fit for all sized heads. Fully compatible with MICH, ACH, CVC, AND PASGT helmets.