The ornamental design for a retractableleash, as shown and described.
FIG. 1 is a top, right front perspective view of a retractable leash showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a side elevational view thereof; and,
FIG. 6 is a bottom plan view thereof.
The features depicted by broken lines have been shown for the purpose of illustrating portions of the retractable leash that form no part of the claimed design.
FIGS. 1 and 4 through 6 have been shown with a symbolic break in length, wherein the appearance of any portion between the break lines form no part of the claimed design.