**Restricted to USA and APO/FPO sales**Oakley Engineering brings the most versatile protective eyewear forward with SI Speed Jacket. Designed with direct input from Law Enforcement and Competitive Shooters, SI Speed Jacket combines all day fit and comfort with performance attributes in a modern silhouette. With patented High Definition OpticsA(R) (HDO), the lens also offers a wide field of view and is assorted with multiple lens options to include Prizm lens technology. Unobtanium nosepieces provide grip during hot and sweaty conditions, and a thin ear-stem technology is designed for over the ear communication systems compatibility and hat integration. SI Speed Jacket delivers all day fit and comfort, but built for those moments of dynamic and competitive movement. Switchlock Quick Lens Exchange allows for a lenses to be switched out easily for rapid lens exchangeMeets ANSI Z87.1 2015 Optical Standards for ClarityPatented High Definition OpticsA(R) (HDOA(R)) provides superior optical clarity and razor-sharp vision at every angleO-Matter(TM) stress-resistant frame material is both lightweight and durable for all-day comfort and protectionThin Stem technology enables compatibility with over-ear hearing protection and commsUnobtaniumA(R) nosepad provides a no slip grip even under wet conditionsSpeed Jacket case included