This bad boy's so cool it may just reverse global warming. With around 30 hours more "chill" than the Yeti, you'll need to go a long way—the Arctic, maybe—to find something that can hold ice for as long as the Polaris Northstar Cooler, and if that's not enough, it can even withstand a bear attack—take that, Leonardo DiCaprio. Get in with 30- or 60-quart capacity.