Persol 649 Havana brown tortoise sunglasses Combining the best of design and technology, this unique shape has become the unmistakable brand icon over time. The keyhole bridge, legendary arrow and Meflecto system are the details that have made this model a timeless classic. MODEL CODE: PO0649 24/57 52-20 FRONT COLOR: Havana LENS COLOR: Brown LENS MATERIAL: Crystal FRAME MATERIAL: Acetate