A double-closure clasp for maternity, mastectomy or like garments, the clasp comprising a housing member and a pair of clip members slidably insertable in the housing; the housing being unitarily molded from plastic material and comprising a substantially flat base wall, opposed side walls and an upper wall defining a pair of adjacent apertures therethrough, the side walls, base wall and upper wall defining a pair of guideways terminating in transverse open entry slots in the housing through which the clip members are inserted. The clip members each including a substantially flat body defining a fenestration therein, and a resilient tongue extension having one end thereof integral with the body and disposed at an angle relative thereto, the tongue extension being disposed to move into and out of the fenestration, the body further including means for attachment to a portion of the garment. The garment including an elongated band adapted to encircle the body, having a pair of frontal breast supporting and encircling portions; a pair of shoulder straps attached at one end thereof to the breast supporting and encircling portions and at the opposite end thereof to the band; and a pair of breast cups integral with the band, each having a free end to which the clip members are respectively attached.