The ornamental design for a sportsmask, as shown and described.
FIG. 1 is a front perspective of a sports mask showing my design in use;
FIG. 2 is a front perspective view thereof;
FIG. 3 is a rear perspective view thereof;
FIG. 4 is a front elevation view thereof;
FIG. 5 is a left-side elevation view thereof;
FIG. 6 is a right-side elevation view thereof;
FIG. 7 is a top plan view thereof;
FIG. 8 is a bottom plan view thereof; and,
FIG. 9 is a back elevation view thereof.
The broken lines showing the head and sports mask strap in FIGS. 1, 4, 5 and 6 are included for the purpose of illustrating the sports mask in use and form no part of the claimed design.