The ornamental design for an interchangeablefootwear covering, as shown and described.
FIG. 1 is a perspective view of an interchangeable footwear covering showing my new design, shown in a used condition with a shoe shown in broken lines;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a front elevational view thereof;
FIG. 6 is a right side elevational view thereof;
FIG. 7 is a left side elevational view thereof; and,
FIG. 8 is an exploded top plan view thereof.
The broken line showing of FIG. 1 is for the purpose of illustrating an exemplary footwear to which the interchangeable footwear covering may be removably attached and forms no part of the claimed design.