Abstract: A prosthesis and breast supporting brassiere including a body-encircling breast structure defining a pair of forward upwardly opening breast and/or prosthesis receiving and supporting pockets, resilient spring means yieldingly biasing the portions of the band adjacent the pockets in extended non-folded or unrolled condition, a rearwardly opening breast or prosthesis covering cup forward of each pocket and having a lower edge portion hingedly secured to its related pocket below the upwardly forwardly and downwardly extending upper edge portion thereof, shoulder strap means from the rear of the band to the pocket receiving portion of the band, releasable hook means on and between said strap means and upper edge portions of the cups to normally prevent forward and downward pivoting of the cup relative to the band and a pair of flat panels corresponding in general plane configuration with the open rear of the cups and each selectively removably secured to the band in normal overlying relationship to the open rear