Body of a fitness tracker

FIG. 1 is a top, right side isometric view our new design for a body of a fitness tracker.

FIG. 2 is a top plan view thereof.

FIG. 3 is a bottom plan view thereof.

FIG. 4 is a left side elevation view thereof.

FIG. 5 is a right side elevation view thereof.

FIG. 6 is a front side elevation view thereof.

FIG. 7 is a back side elevation view thereof.

FIG. 8 is a top, right side isometric view our new design for a body of a fitness tracker, it being understood that all other surfaces are the same as the body of the embodiment of FIG. 1 .

FIG. 9 is a top plan view thereof.

FIG. 10 is a bottom plan view thereof.

FIG. 11 is a left side elevation view thereof.

FIG. 12 is a right side elevation view thereof.

FIG. 13 is a front side elevation view thereof; and,

FIG. 14 is a back side elevation view thereof.

The features shown in broken lines in the drawing depict unclaimed subject matter and form no part of the claimed design.