In our past testing, the original Owala FreeSip stood out for its ingenious lid, which allows you to sip from a straw or chug through its wide mouth. Not to mention, it gives you ample room to ...
But I can admit I was wrong. After testing two of the most popular ones for a month—the HydroFlask Travel Tumbler and Owala Tumbler—I get it. Now, I don’t go anywhere without one of these ...