Circumcision isn’t weird. It makes sense from a health standpoint. Ceremonial clothing isn’t weird either. Lots of religions use it — including some Jewish groups. Ours just doesn’t show.
I was trying to make a joke.
But, sure, I wear a tallit katan, for example, which I presume the mormon practice of temple undergarmets copies, although ours are actually worn on top of our undershirts.