A Hydro Flask bottle—of any kind—is reliable. ... And unlike plastic bottles, it won’t deteriorate over time. And, in our testing, Hydroflask kept water perceptively colder.

Hydro Flask has started selling $19 micro bottles that hold 6.7 ounces of liquid. Fans told Business Insider that the tiny containers are convenient for drinks like milk and matcha.

But then REI offered to send me one of their popular Hydro Flask Wide Mouth Bottle With Flex Straw Cap ($34, originally $45) for a review. And let me tell you, this thing might have just become my ...

Get a free Hydro Flask by trading in a plastic bottle at NYC shoe store by: Dominique Jack. Posted: Apr 17, 2025 / 08:41 AM EDT. Updated: Apr 17, 2025 / 08:41 AM EDT.