SUBSYSTEM - Yellow Gold - Dark GreyYELLOW GOLD SILVER DARK GREY DITAs designers set out with the goal of making one of the most ornate and highly detailed all titanium aviators in the history of the brand, resulting in SUBSYSTEM. SUBSYSTEM boasts jaw dropping details throughout: dual tone titanium construction with intricate pressed lines, an angular brow bar and stepped bridge, and an aggressively flared titanium lens rim with pressed lines continuing through its temples and end