The Coldest Ice Pack
No frills or gimmicks, The Coldest Ice Pack ($24) is listed as an Amazon Choice for a reason: it's reliable. The gel-based, reusable compress doesn't need a fancy shape or unique features to get the job done. It's straight to the point in the best way. If you feel otherwise, the brand will make things right thanks to its "100 percent COLD-SOLID Happiness Guarantee."