The ornamental design for a coolinghood, as shown and described.
FIG. 1 is a front, top perspective view of a cooling hood as it appears when being worn with the flaps of the cooling hood fastened;
FIG. 2 is a front elevation view thereof with the flaps unfastened;
FIG. 3 is back elevation view thereof with the flaps unfastened;
FIG. 4 is a left side elevation view thereof with the flaps unfastened;
FIG. 5 is a right side elevation view thereof with the flaps unfastened;
FIG. 6 is a top plan view thereof with the flaps fastened; and,
FIG. 7 is a bottom plan view thereof with the flaps fastened.
The partial human figure shown in broken lines in FIG. 1 is environmental subject matter intended to help illustrate how the claimed design appears when worn, and forms no part of the claim. All other broken lines represent unclaimed features of the article to which the design is applied.