The ornamental design for a bra, as shown and described.
FIG. 1 is a rear perspective view of a bra showing my new design;
FIG. 2 is a rear view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a first side view thereof; and,
FIG. 5 is a second side view thereof.
The long and short broken lines are unclaimed boundaries of the claimed design. It is understood that the claimed design extends to these boundaries but does not include the boundaries.
The even-length broken lines shown in the drawings are directed to environment and form no part of the claimed design.
The contrast in shading represents a contrast in appearance only and does not represent any particular color, material, texture or finish.