You're not imagining it: reusable water bottles are getting smaller. The trendiest option on the market, from Hydro Flask, is as small as an iPhone.

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Grab one before they disappear again. While standard 24-ounce water bottles are great to have at the gym or on a hike, they can be bulky if you’re just taking the dog for a walk or catching the subway ...

Hydro Flask is shrinking its water bottles with a Micro Hydro Bottle that’s small enough to fit in your pocket. This mini-sized Micro Hydro Bottle will be available in four colors — Black, Surf, Reef, ...

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When the $20 Micro Hydro was introduced to the world a month ago, all four colors sold out in four days. Now, the bottle is back with some exciting news on the horizon. As of Wednesday, March 19, the ...

We’ve tested dozens of water bottles over the years to find the best ones that are durable, lightweight and keep drinks warm or cold. While we're big fans of the 40-ounce tumblers that encourage ...