7 Best Coolers WIRED Tested For Every Budget, Any Situation

Hard vs. Soft Coolers If you’re wondering what a premium cooler has that your affordable plastic one doesn’t, the answer is better insulation. In 2006, Yeti pioneered the process of rotational molding, or “rotomolding,” a process wherein melted plastic is molded over foam insulation in one piece. Rotomolded coolers offer seamless, uniform density in their …

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