Persol, an Italian luxury eyewear brand, is one of the oldest eyewear companies in the world and specialized in the manufacturing of sunglasses and optical frames.
The Persol PO9649-S has a pilot shape and is made of acetate. The PO9649-S 24/57 has polarized glasses.
When you buy a frame of Persol, you will receive a hard case, a micro-fibre cleaning cloth and a cleaning product.
For more information about the size you can check out the size table: size table