The ornamental design for a weighted soft platefitnessdumbbell, as shown and described.
FIG. 1 is an isometric view of the weighted soft plate fitness dumbbell, according to the first embodiment;
FIG. 2 is a side view of the weighted soft plate fitness dumbbell, according to the first embodiment;
FIG. 3 is a top view of the weighted soft plate fitness dumbbell, according to the first embodiment;
FIG. 4 is an isometric view of the weighted soft plate fitness dumbbell, according to the second embodiment;
FIG. 5 is a side view of the weighted soft plate fitness dumbbell, according to the second embodiment; and,
FIG. 6 is a top view of the weighted soft plate fitness dumbbell, according to the second embodiment.
The broken line showing of details in FIGS. 1-6 is included for the purpose of showing environmental portions of the design. No claim is made to the portions shown in broken line.