FIG. 1 is a front perspective view of one article of a pair of footwear articles, showing my new design;

FIG. 2 is a front view of the article of footwear of FIG. 1;

FIG. 3 is a rear view of the article of footwear of FIG. 1;

FIG. 4 is a lateral side view of the article of footwear of FIG. 1;

FIG. 5 is a medial side view of the article of footwear of FIG. 1;

FIG. 6 is a top plan view of the article of footwear of FIG. 1; and

FIG. 7 is a bottom plan view of the article of footwear of FIG. 1; and,

FIG. 8 is an alternative bottom plan view of the article of footwear of FIG. 1.

The drawings show the design of an article of footwear suitable for being worn on a left foot. The ornamental design also includes the mirror images of drawings, i.e., the design of an article of footwear suitable for being worn on the right foot. Broken (dashed) lines are for illustration purposes only and form no part of the claimed design.