The ornamental design for a golfthemedbeanie, as shown and described.
FIG. 1 is a front elevation view of a golf themed beanie shown in a position of use.
FIG. 2 is a rear elevation view of the golf themed beanie of FIG. 1.
FIG. 3 is a first side perspective view of the golf themed beanie of FIG. 1.
FIG. 4 is a second side perspective view of the golf themed beanie of FIG. 1.
The human figure drawn in broken lines is environmental structure to illustrate how the golf themed beanie is in a position of use and forms no part of the claimed design. The flag and the logo outlined by broken lines depict portions of the golf themed beanie that form no part of the claimed design.