Although it is said that an elastic band is not attached to Monpe because of shortage of rubber bands during the war, Monpe originally had a band attached to tie around waist instead of an elastic band.
もんぺの腰の部分にゴム紐がないのは戦争のせいでゴムが足りなくなったからだという説があるが、もともともんぺはゴム紐ではなく布の紐で腰を結ぶ服だった。