The ornamental design for a woman's brassiere, as shown and described.
FIG. 1 is a front view of the woman's brassiere in an unlatched position;
FIG. 2 is a back view of the woman's brassiere in an unlatched position;
FIG. 3 is a front perspective view of the woman's brassiere in an unlatched position;
FIG. 4 is a back perspective view of the woman's brassiere in an unlatched position;
FIG. 5 is an angled perspective view of the woman's brassiere in a latched position on a woman shown in broken lines; and,
FIG. 6 is a front perspective view of the woman's brassiere in a latched position on a woman shown in broken lines.
Broken lines are used to show environment, namely the person wearing the brassiere, in FIGS. 5 and 6. Other lines appearing broken (although of a different spacing) are stitching.