CARRERA 5306 VARIO MADE IN GERMANY BRAD PITT

http://www.initialmsunglasses.com/M_VINTAGE_SUNGLASSES_COLLECTIONS/CARRERA__5306_VARIO.html

Carrera 5306 vario

These are very popular carrera now days.
These are amazing feature which you can adjust temple length by dial(see second photo)

NIce bridge details too