The ornamental design for an equestrianvest, as shown and described.
FIG. 1 is a front elevational view of an equestrian vest showing my new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is an enlarged partial left side view thereof, the right side being a mirror image thereof; and,
FIG. 5 is a front elevational view in an opened condition thereof, the lacings and fasteners not being shown for clarity of illustration.
The broken lines shown in FIG. 4 illustrate the upper and lower bounds of the enlarged portion of the claimed design shown and forms no part of the claimed design. The ball toggle depicted by broken lines represents environmental structure that forms no part of the claimed design. The dot-dash-dot line shown in FIG. 1 represents the bounds of the claim and does not form part of the claimed design.