The ornamental design for a gown, as shown and described.
FIG. 1 is a first perspective view of a gown showing our new design;
FIG. 2 is a second perspective view thereof;
FIG. 3 is a right side elevation view thereof;
FIG. 4 is a left side elevation thereof;
FIG. 5 is a front elevation view thereof;
FIG. 6 is a rear elevation view thereof;
FIG. 7 is a top plan view thereof; and
FIG. 8 is a bottom plan view thereof; and,
FIG. 9 is a third perspective view of the gown, where the outer lower sleeve members have been pulled toward shoulders of the gown about inner lower sleeve members.
All broken lines are included for the purpose of illustrating use and environment and form no part of the claimed design.