HK Army SLR Goggle - Midnight (Black/Black) Smoke LensSLR Goggle: Introducing the all new HK Army SLR Goggle System. The SLR goggle protects critical areas of the user, while still promoting supreme breathability, audible clarity and freedom of movement. Features: Highly focused ventilations zones around the entire mask allows your voice to naturally expand outward creating a clarity white neutralizing echo throughout the mask Implements a unique blend of angular ventilation zones for maximum protection