We have stuff. As preppers we keep a lot of stuff, for the most part. Depending on the type of prepper you are you may have tons of stuff. Of course, too much is just a waste of money and time. Still, if you are dealing with a serious disaster having things like a flashlight, communication, gun, knife, watch, wallet, keys, optics and other things in arm length and not behind a zipper is a very big deal.
This is a short article but the author does a great job and laying out exactly why you should consider a tactical vest for your prepper loadout. I will warn you that shopping for a tactical vest can bury you. There are so many great options it can get really ugly really fast. You may find yourself staring at your computer 2 hours later after visiting your first site.