An insulated water bottle can keep you hydrated and help you cut down on plastic and paper waste — why buy bottled water or coffee if you can bring your own from home? But with an endless stream of water bottles making numerous claims about technological innovations and insulating properties flowing into the market, it’s easy to get lost in all the options.
To determine which bottles are truly worth their price tag, we culled thousands of insulated water bottles down to 14 contenders after reading through reviews and browsing bestselling bottles across the internet. We then put them through a litany of tests to determine which is the absolute best. (For more on our testing process, scroll down.) After two months of testing and drinking a whole lotta water, we narrowed down our picks to two bottles that stood out from the rest.