What is Batman's Speedo made of ?!

Question: Something that bullet can't get through ?

Answers: Something that bullet can't get through ?

It's made out of the skin of the convicts he takes down. it's waterproofed with the feathers from bald eagles and children's tears

Tar........

Bat leather.....who knew?!

A kevlar/spectra latixe derivative like they make army helmets out of.

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