The ornamental design for a fitment, as shown and described.
FIG. 1 is a front-left perspective view of a fitment showing our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left-side elevational view thereof;
FIG. 5 is a right-side elevational view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is a front-right perspective view thereof.
The ornamental design which is claimed is shown in solid lines in the drawings. The broken lines shown in the figures are for the purpose of illustrating portions of the fitment and form no part of the claimed design. The logo, letters and numbers shown in broken lines are for the purpose of illustrating environment and form no part of the claimed design.