Results for undies translation from English to Japanese

i'll pack my undies.
俺も下着を取ってくる

or undies or what have you.
下着とか

in my undies. good thing i brought extras.
下着の替えがあって よかった

so we are dealing with a 20-year-old... who isn't sure where she leaves her undies?
下着を残すような 女の説明？