While the popular cup isn't too shabby, many hydration aficionados believe there are better options, such as this more compact, affordable tumbler from Yeti. Better yet, it's 30% off at Amazon ...

So, is Stanley or Yeti better? We put the tumblers ... It also protects your cup from chipping or denting. The snug sleeve takes some maneuvering to slip on, but once it's in place, it doesn ...