There is provided a bra comprising a left bra cup and a right bra cup, and the left bra cup and the right bra cup each having an outer layer and an inner layer. The outer layer and the inner layer of a bra cup are attached to each other partially so as to form an opening or cavity between the outer layer and the inner layer, and a monitor configured to collect body data of a wearer of the bra is inserted through the opening and positioned between the outer layer and the inner layer. The monitor is embedded within the bra cup.
