Footwear upper

[0001]FIG. 1 is a perspective view of the footwear upper embodying the new design with a removable collar attached;

[0002]FIG. 2 is a top view thereof with the removable collar attached;

[0003]FIG. 3 is a right side view thereof with the removable collar attached;

[0004]FIG. 4 is a left side view thereof with the removable collar attached;

[0005]FIG. 5 is a front view thereof with the removable collar attached;

[0006]FIG. 6 is a rear view thereof with the removable collar attached;

[0007]FIG. 7 is a front view of the removable collar separate from the footwear upper; and,

[0008]FIG. 8 is a back view of the removable collar separate from the footwear upper.

[0009]FIGS. 1-8 include broken lines (dash-dash format) that represent stitching, which is part of the claimed design. FIGS. 1-8 show portions of an article of footwear in phantom lines (long dash-short dash-short dash format). The article of footwear portions illustrated in phantom lines are shown for environmental purposes and do not form any part of the claimed design. Further, the phantom lines immediately adjacent the solid-line portions of the design form the boundary of the design, with the phantom lines forming no part of the claimed design.