In the 1960s, the 714 model emerged as a foldable iteration of the iconic 649 glasses, becoming the pioneers of folding eyewear. Distinguished by its unique design, this model necessitates ten extra manufacturing processes in comparison to its standard counterparts. FRONT COLOR: Black LENS COLOR: Green LENS MATERIAL: Crystal FRAME MATERIAL: Acetate Made in Italy Persol Black/Green 714 Sunglasses