649 24/31 Havana Crystal Green are technically innovative as well is impressively stylish with the Victorflex system that gives the bridge maximum flexibility with metal inserted into the acetate as seen on the bridge of these awesome shades as well as the classic silver arrow on the temple. Steve McQueen has famously worn these superb 694 sunglasses Persol Men's Aviator Havana Crystal Green 649 Sunglasses in Brown