The best water bottles of 2019

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Increasing your daily water intake to keep your body well-hydrated is one of the easiest ways a person can make to improve their health. Doing so can help you think more clearly, quell the urge to overeat, and help stave off inflammation in your joints.

Finding a great reusable water bottle can make achieving this fitness goal a whole lot easier. The best water bottle can keep the liquid inside of it cold and clean every time you feel like taking a drink. But not all water bottles are created equal. We tested various water bottles to find the absolute best.

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Brita Stainless Steel Filtering Water Bottle meets every parameter of what we look for in a water bottle, including good capacity. At 20-ounces it's not overly bulky, but still carries enough that you won't need to source multiple refills throughout the day. A wide-mouth easily accommodates ice cubes, a slim build allows it to fit in car coffee holders or the pockets of bags, and a securely locking lid (topped with a handy loop for comfy carrying) guards against accidents or spills. We love that it opens with a one-handed push of a button, and is affixed with a straw, so there's no danger of the contents of the bottle embarrassing you, by rushing out of the mouth and landing straight in your lap. And then there's the fact that the body is stainless steel (the lid is still BPA-free plastic). That premium insulation means that water stays cold up to 24-hours straight. This is true of a majority of bottles we tried, but it's hard to beat Brita on taste. The straw is fitted with a filter that reduces chlorine and keeps the odor and flavor of your H20 pure for up to two months (or 4 gallons of water worth of use).

Get the Brita BB11 on Amazon for $29.99

From a company well known for the durability and insulation of their coolers, sporting gear, and apparel, there's a reason the impenetrable Yeti Rambler scores top marks amongst outdoor enthusiasts. It also topped all the tests we threw at it. This insulated water bottle is made from kitchen-grade stainless steel that's puncture, dent, and rust resistant. And it has a simple, cylindrical design free of unnecessary small parts, that are liable to get lost or break off (the cap even has magnetic docks, which keep it securely attached to the lid). Double-walled insulation keeps the outside from getting hot or cold to the touch, or slippery with condensation. Whether left in a hot car or kept on a bedside table overnight, water stored in the Rambler remained icicle cold; a good indicator of its usefulness during hiking or camping trips. A leak-proof, easy to grip, three finger cap adds to its outdoor appeal, as does a generous, 26-ounce capacity—enough to accommodate three lemonades, four mint juleps or one long chug of water, according to the company. It also has an especially wide mouth, which facilitates sipping and cleaning (if you’re not trekking through forests and fields, it's also dishwasher safe). On the other hand, the factors that make the Rambler ideal for sporty activities knock it down a peg in terms of everyday use, which is why we didn't name this our best overall. The large size and robust materials make it undeniably heavy, quite bulky, and difficult to slip in car holders or bags (although Yeti makes smaller options, like the 18-ounce Rambler that might be a bit easier to handle).

Get the Yeti Rambler on Amazon for $39.99

There's a reason Hydro Flask has so many fans and was our former Best Overall; it's portable, versatile, durable and well designed. Its patented double-wall vacuum enables the bottle to keep cold drinks cold, hot drinks hot, and prevents condensation from forming on the outside, keeping it slip-free, and safe to store in bags alongside papers and laptops. What we especially liked about this model is the wider mouth, which is easy to drink from and allows you to cram it with ice cubes. And if you want to make sipping more streamlined, you have the option to fit it with a straw or flip-top lid. Another benefit is that it fits many third-party water filters. That said, while it's often a caveat with stainless steel, the bottle didn't transmit any funky flavors to our drinking water.

Get the Hydro Flask at REI for $39.95

Our second runner-up when it comes to temperature retention, Klean Kanteen's Climate Lock insulation keeps water cold for up to two days (extra credit: it can be used for hot beverages, too). A powder coat guards against slipperiness and condensation, and like the Hydro Flask, the Kanteen can fit different in-brand caps, from the leak-proof loop cap, which can be hooked on a bag with a D-ring, to the quick-twist cafe cap, allowing it to become a casual to-go mug.

Get the Klean Kanteen on Amazon for $29.95

Tired of tipping your water bottle at awkward angles in order to take a sip? The sporty, durable CamelBak Eddy was designed with that recurring issue in mind and comes equipped with a straw you can flip with one hand, as well as a bite valve which provides faster flow. It has decent temperature retention for a plastic bottle, is dishwasher safe, and comes with a lifetime guarantee, making it a cost-effective purchase. It's forged from BPA-free materials, which is always a positive, and though we detected a slight flavor in the water, it wasn't overtly present or offensive.

Get the CamelBak Eddy on Amazon for $14.99

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