The device trilogy of eagle, globe, and anchor combine for instant recognition and respect amongst services worldwide. From manning the masts of the constitutional navy to the latest forays into landlocked hotspots, the Airform™ Semper Fi is a tribute to their grit and loyalty. The Semper Fi includes a removable Hydradry™ comfort liner, Fog-Free Clear and RST Dark Gold shield, and Dark Smoke internal DropShield™.