The ornamental design for a gelicehat, as shown and described.
FIG. 1 is a front, right side, top perspective view of a gel ice hat showing my new design;
FIG. 2 is a rear, left side and top perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a right side elevational view thereof;
FIG. 7 is a top plan view thereof;
FIG. 8 is a bottom plan view thereof; and,
FIG. 9 is a front, left side perspective view thereof when being worn by a person.
The broken lines shown in the drawings are included for the purpose of illustrating portions and environmental elements of the gel ice hat that form no part of the claimed design.