An ornamentaldesign for a safety vest, as shown and described.
FIG. 1 is a front perspective view of the safety vest showing our new design.
FIG. 2 is a front view of the safety vest.
FIG. 3 is a rear view of the safety vest.
FIG. 4 is a right side view of the safety vest.
FIG. 5 is a left side view of the safety vest.
FIG. 6 is a top view of the safety vest.
FIG. 7 is a bottom view of the safety vest.
FIG. 8 is a front view of the safety vest with left side open; and,
FIG. 9 is a front perspective view of the safety vest on person.
The evenly dashed broken lines in the drawings depict stitching, portions of the safety vest, and environmental subject matter that form no part of the claim. The dash dot broken lines depict boundaries of the claim that form no part of the claim.