The ornamental design for a yogamat, as shown and described.
FIG. 1 is front elevational view of a yoga mat of the present invention, showing my new design;
FIG. 2 is a rear plan view thereof;
FIG. 3 is a right side view thereof, the left side being a mirror image;
FIG. 4 is a top plan view thereof, the bottom side being a mirror image; and,
FIG. 5 is an enlarged detail view of the portion of the design taken from the area labeled as No. “5” from FIG. 1. The surface treatment in the circumscribed area is understood to extend across the entire surface.
The broken lines in FIG. 2 depict environmental subject matter that forms no part of the claim.