Backpack coolers are designed with versatility in mind, so many of these bags are equipped with attachment points, such as hard clip points, daisy chains, webbing straps, and bungee cords ...

Best backpack cooler: Hydro Flask 20L Day Escape Soft ... There’s also a cargo net attachment—a rare feature for a hard cooler—that can store everything from sandals to silverware.

So, to keep your food cool and safe while you enjoy the outdoors, it is a good idea to get a cooler. Sam's Club is currently selling the popular Member's Mark 24 Can Waterproof Backpack Cooler.