The ornamental design for a temperatureregulatinggarment, as shown and described.
FIG. 1 is a front perspective view of a temperature regulating garment;
FIG. 2 is a front elevational view thereof;
FIG. 3 is rear elevational view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
The broken lines shown in the figures are included for the purpose of illustrating portions of the temperature regulating garment and form no part of the claimed design.