The ornamental design for a caninevest, as shown and described.
FIG. 1 is a perspective view of the canine vest, showing my new design in condition of use;
FIG. 2 is a left side view of the canine vest shown in condition of use;
FIG. 3 is a front view of the canine vest shown in condition of use;
FIG. 4 is a top view of the canine vest shown in condition of use;
FIG. 5 is a top plain view of the canine vest shown in a flat configuration; and,
FIG. 6 is a bottom plain view of the canine vest shown in a flat configuration.
The broken lines shown on the canine vest depict portions of the article that form no part of the claimed design. The broken lines depicting a canine are showing environmental subject matter that forms no part of the claimed design.