Good pair of lightweight hiking or hunting boots. Prior to an emergency, make sure that your boots fit well, and that they are comfortable enough for many miles of walking. Boonie hats work the best. Lightweight gloves to protect your hands from cuts. Heavy winter gear as needed.
Military surplus is usually the best.
Please train with your weapons prior to any situation in which you may need them. You may also wish to carry pepper spray or other non-lethal form of defense. Always store your guns safely. Use trigger locks and gunsafes where possible. Tactical Three-Day Field Pack Be sure to start the day with extra clothing.