YETI Rambler 20 Ounce Travel Mug Runner Up Best Insulated Coffee Mug: Klean Kanteen TKWide 20 Oz Best Budget Insulated Coffee Mug: RTIC Road-Trip Travel Mug Best Lid Design: Owala SmoothSip Slider ...

YETI vs. RTIC: Who Makes the Better Cooler? What Didn’t Make the List In our tests, a few travel coffee mugs did not meet our expectations in terms of design, performance, and insulation.