It is possible to adjust the wire according to the progress after breast reconstruction, to adjust the size and underposition of the left and right breasts, and also to cope with the changes, and also has a soft feeling of tightness and a soft and comfortable fit. It is an object to provide a. A pair of left and right cup portions, a base portion for supporting the cup portion, a back portion, and a brazier having a strap, wherein the cup portion has an under adjustment pocket extending from its front center top to an armpit along an edge under the cup , Having a volume adjustment pocket occupying at least a portion of the cup, the base portion being continuous with the cup portion, an elastic skin-side base portion, and a wire insertion portion having a curve almost equal to an edge portion under the cup portion of the cup portion on the surface. The provided surface side foundations are superimposed, and the skin side foundation portion and the surface side foundation portion are fixed to each other at the front center top, side edge portion, and bottom portion, and at the same time, the edge portion and the surface side base portion under the cup of the skin side foundation portion The wire inserts are braziers that are not fixed to each other except at both ends.
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