The ornamental design for a pair of frontfenders, as shown and described.
FIG. 1 is a perspective view of one of the fenders in a pair of front fenders shown with a vehicle in broken line format, the other one of the fenders in a pair of front fenders being a mirror image thereof;
FIG. 2 is an upper perspective view of one of the fenders in a pair of front fenders shown without the remainder of the vehicle;
FIG. 3 is a side view thereof;
FIG. 4 is a front view thereof;
FIG. 5 is a top view thereof;
FIG. 6 is a bottom view thereof; and,
FIG. 7 is a rear view thereof.
The other one of the pair of rear fenders not shown is a mirror image of FIGS. 1 through 7. The dash-dash broken lines and subject matter inside of the dash-dash broken lines form no part of the claimed design. The dash-dot-dot broken lines shown in the drawings illustrate environmental subject matter which forms no part of the design.