Here's what our associate shopping editor really thinks of the Micro Hydro Mini water bottle, which only holds 6.7 ounces of ...

The Hydro Flask Micro Hydro mini bottle is ideal for taking a few sips of water, tea, or iced latte on the go. It’s leakproof ...

The Hydro Flask also has tons (read: 37) of color options and patterns available—all of which are customizable with a monogram. The Stanley has 35 options—all of which are also customizable.

Both Hydro Flask and Yeti come out with new colors routinely, but, as of writing, Hydro Flask offers two colors for the 24-ounce bottle we tested and seven of the same bottle with a different lid.

Hydro Flask's new Micro Hydro has a mini size but is packed with big water bottle features to keep your drink hot or cold for hours. Here's when to grab this pocket-sized drop.

(Other Hydro Flask tumblers, like the All Around™ Tumbler, come in 28-oz, 20-oz, and 16-oz sizes, but for the purposes of this review, I focused on comparing only the Stanley Quencher H2.0 ...

The Best Water Bottles The Hydro Flask 24 oz Wide Mouth with Flex Chug Cap is our choice to keep your water cold for hours, wherever you may take it. We’re devotees of the 21-oz version.