This helmet is several years old, most likely from before ATA started sending two pairs. My other ATA helmet is unopened but only a few months difference in age from this one, so I don't know if that one has two sets. Had I known that it would take me two years to get to it, I would have waited for ABS instead of HIPS.
I'm not too worried about the filler now and my next helmet will profit from my mistakes.