-Birko-Flor, a very malleable and durable synthetic material.
-Dark orange with a metallized glow.
-Non-removable insole made of brown suede.
-Natural cork and latex midsole.
-Black EVA outsole.
If you like metallized colours so much, look at these Birkenstock Madrid Graceful Copper sandals. It is exactly what you were looking for this summer!