The ornamental design for a swimmingcostume, as shown and described.
FIG. 1 is a front view of a swimming costume showing the new design;
FIG. 2 is a left side view of the swimming costume shown in FIG. 1;
FIG. 3 is a rear view of the swimming costume shown in FIG. 1;
FIG. 4 is a right side view of the swimming costume shown in FIG. 1;
FIG. 5 is a front view of an alternative embodiment of the swimming costume shown in FIG. 1;
FIG. 6 is a left side view of the alternative embodiment of the swimming costume shown in FIG. 5;
FIG. 7 is a rear view of the alternative embodiment of the swimming costume shown in FIG. 5; and,
FIG. 8 is a right side view of the alternative embodiment of the swimming costume shown in FIG. 5.
The broken line showing of the body of a person and zipper is for illustrative purposes only and forms no part of the claimed design.
The stippling is used to indicate color contrast and is not a feature of the claimed design.
The broken lines other than those representing the body of the person and the zipper are understood to represent striping on the costume surface which forms no part of the claimed design.