Footwear Upper

FIG. 1 is a perspective view of a footwear upper embodying the new design; FIG. 2 is a top view thereof; FIG. 3 is a bottom view thereof; FIG. 4 is a right side view thereof; FIG. 5 is a left side view thereof; FIG. 6 is a front view thereof; and, FIG. 7 is a rear view thereof. The figures show features with dot-dot-dash broken lines that form no part of the claimed design. Further, the dot-dot-dash broken lines immediately adjacent the portions shown in solid lines form the boundary of the design, with the broken lines forming no part of the claimed design. The even length broken lines in the figures depict stitching, which forms no part of the claimed design.