Soft sided coolers have grown in popularity the past few years, mainly because they are so light and handy. Even if you already have a hard cooler, you’ll likely need a soft sided cooler for some occasion. The main advantage of soft sided coolers is how easy they are to transport. Not only are they lighter to load, unload and carry, but when empty they can be folded away and stowed between other gear, taking up a fraction of the space a hard cooler requires. Recent improvements in soft coolers, like leakproof zippers that don’t let cold escape, make it possible to have a handy, easy-to-tote cooler that still does a great job of keeping ice frozen and food cold. In fact, some models keep ice frozen for up to four days.