I claim the ornamental design for the brassiere with built-in pocket, as shown and described.
FIG. 1 is a front view of the brassiere with built-in pocket.
FIG. 2 is a rear view of the claimed design.
FIG. 3 is a left side view of the claimed design.
FIG. 4 is a top view of the claimed design.
FIG. 5 is a bottom view of the claimed design; and,
FIG. 6 is a perspective view of the claimed design.
The brassiere with built-in pocket is shown with a break in the middle of the rear section of the brassiere chest strap. The portions of the design not shown form no part of the claimed design.
The broken lines of FIGS. 1, 3, 4, and 6 represent stitching, and are part of the claimed design.