An adjustable length garment device is provided. The adjustable length garment device includes an elongated fabric member. The elongated member is dimensioned to cover a portion of the torso of the wearer. The elongated member includes an upper opening and a lower opening. A fastener is disposed at the lower end of the elongated fabric member. The fastener is configured to divide the lower opening into a pair of leg openings when engaged. The leg openings define a lower channel including at least one drawstring. The drawstring is connected to a first strap and a second strap, such that pulling upward on the first strap and the second strap will elevate the drawstring.