The pants might be old & unwearable
Ripped!!
A pair of underwear is an item of clothing worn underneath someone's trousers or pants.
webitos
they to small
to small
Holes
A Pair of pants is two pant legs and a waist.
they got worn out..
Because they are really old or have holes in them.
Pair is two, so there are two legs that make the pants.
A pair of pants that is made of leather is called a pair of trousers