Oakley Mars X-Metal Black Iridium release in 1998. The Mars 。OMG these sunglasses are AMAZING! Made by Oakley with X metal with titanium and other metals. The ear stems and nose bridge attached at joint allowing independent movement for better fit. These sunglasses are unisex and the front temple measures approximate 5\"5 and the lenses are 1.675 in diameter and 6\"2 temple length. These hard to find Oakleys are first generation M series with serial number, iridium black lenses and comes with a newer Oakley box and microbag. Vintage sunglasses in excellent condition for their age as they were in storage for many years and I don\'t see any marks on lenses and there are a few extremely small scuffs on the bottom front of silver frame/glasses but are extremely small. 100% genuine Oakley made in USA from the late 1990s.