Sunglasses will keep harsh light and glare out of your eyes, prevent sunburn around your eyes, can serve as a useful quick disguise and can help you to avoid eye contact with people begging for help or trying to suss you out. If you end up in harshly lit environments, they will help you to see with ease (snow, desert, etc.). It just makes sense to have sunglasses as one of your must-haves, especially as you may need to spend a lot of time outdoors.
In a world where the bombproof bunker has replaced the Tesla as the hot status symbol for young Silicon Valley plutocrats, everyone, it seems, is a “prepper,” even if the “prep” in question just means he is stashing a well-stocked “bug-out bag” alongside his Louis Vuitton luggage in a Range Rover pointed toward Litchfield County, Conn. Here is a checklist for the neo-survivalist preparing for the apocalypse.