The ornamental design for a military stylehat, as shown and described.
FIG. 1 is a right side perspective view of a military style hat;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The broken line showing of some of the features on the rear fasteners in FIGS. 2-5 is included for the purpose of showing environmental structure and forms no part of the claimed design. The remaining broken lines shown on the hat are stitching lines and are part of the claimed design.