I'm sure this design is very RFID theft proof but it's overkill for me even without the ID card holder. Each layer of each pocket is made of RF shielded fabric, so each card slot is extra thick. And when all my cards were in my wallet, it was just bulky in my pocket. I found another one that seems to have good RF shielding on the outside but thinner pocket dividers. Just sent it back, no regrets.
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