The ornamental design for a footwear upper with strapattachment points front and rear, as shown and described.
FIG. 1 is a top right perspective view of a footwear upper with strap attachment points front and rear, showing my new design with unclaimed straps attached thereto;
FIG. 2 is a top right perspective view of the footwear upper with strap attachment points front and rear;
FIG. 3 is a front view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a rear view thereof;
FIG. 7 is a top view thereof; and,
FIG. 8 is a bottom view thereof.
The broken lines illustrate unclaimed environmental structure and form no part of the claimed design.