Video from Oakley Military showing the 2016 offering from Oakley Standard Issue (SI)... "Available in Spring 2016, the Alpha™ Eco-System allows multiple configurations based on mission profile and method of infiltration. The Alpha™ Eco-System consists of three parts: the SI Ballistic M Frame® Alpha™, SI Ballistic Halo™ Goggle and the Helo Gasket with a single lens working across all platforms.