The ornamental design for a sportsbra, as shown and described.
FIG. 1 is a perspective view of the sports bra as worn by a woman according to the present invention;
FIG. 2 is a front elevation view of the sports bra;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a side elevation view thereof;
FIG. 5 is an opposite side elevation view of that shown in FIG. 4;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The female human figure shown in broken lines is environmental subject matter included to illustrate how the design appears when worn and forms no part of the claimed design.