Best Reusable Water Bottles of 2026, Tested by WIRED

A note to remember: You only need one reusable bottle (though I won’t judge if you rotate between two). More than that defeats the environmental purpose of purchasing a reusable bottle in the first place. Also, be aware that some insulated bottles use lead solder. We’ve removed those from our list. We have some standards, after all.

Does your water need to be even cleaner? Check out our guide to the Best Backpacking Water Filters. Then get one of our…