Reviews often praise Stanley for its affordability and functional design, while Yeti is lauded for its superior insulation and stylish aesthetics. However, each has its detractors, citing issues such as weight for Yeti and lid complexity for Stanley.

Compared to the Stanley, we preferred the Yeti's firmer straw in terms of comfort and leak prevention, as well as its more durable lid. The Yeti's top pops in and out rather than screwing on and off, but it was completely secure even when tipped over and leaked less than the Stanley.

But if we’re after a winner, our pick is the Yeti Rambler. The Rambler is slightly lighter than the Stanley Quencher, yet somehow simultaneously feels more sturdy. And while both brands did a fine job of keeping our beverages icy cold, Yeti did stay colder longer, if only by a hair.