We love that this sturdy bottle doesn't leak, even when dropped or flipped upside down. But unlike Takeya's Actives bottle, it did dent after multiple falls. Available in a range of jewel tones and sizes, you can grab a smaller bottle for sitting in your car's cupholders or a larger size to cut down on your refill trips. Just note that the larger sizes can start to feel heavy, weighing between 1 and 2 pounds each. verifyErrors }}{{ message }}{{ /verifyErrors }}{{ Single-walled insulation means the bottle is made from a single layer of stainless steel. You won't find any single-walled bottles on our list because they don't stabilize temperature very well, meaning your water won't stay cold over time. We were initially impressed by MIRA's 17 Oz Stainless Steel Vacuum Insulated Water Bottle because of its leakproof seal. But it dented easily, and its heavy weight made it uncomfortable to hold. We also love that the Rambler is dishwasher-safe, for easy cleaning. Choose from over 20 bright and metallic colors to find your favorite style.

Made from 18/8 pro-grade stainless steel, this Hydro Flask is BPA-free. But while it kept our water cold for three hours, we noticed the temperature had increased by 8 degrees after six hours—meaning this bottle's double-walled insulation isn't effective as others we tested. If insulation is important to you, we recommend investing in Takeya's Actives Water Bottle or Thermoflask's Water Bottle instead.to 5 stars: These are the best stainless steel water bottles we tested. We recommend them without reservation.

We liked that Hydro Flask's 24 oz Lightweight Trail Series Water Bottle has a convenient handle and a sleek silhouette that fits in most cupholders. However, when we dropped it, the lid almost flew off, and the slippery, shiny finish was tough to hold. The double-walled insulation kept our water icy cold. Thermoflask notes that the bottle will chill drinks for 24 hours or keep them hot for 12, making it a solid choice for your morning coffee or tea. The attached handle is easy to hold, although we wish it could be folded down when not in use. For a stainless steel water bottle that comes with a filter built in, we love this option from Brita. It filters out unpleasant tastes and odors, for fresh-tasting water with every sip. We like that the filter is included at a similar price to most other bottles on our list (although you'll need to replace it regularly to reap the full benefits, according to the brand). The wide mouth opening allows us to add ice cubes, while the spout lid ensures we can sip without soaking our shirts. Combined with the handy carrying loop, we recommend this bottle as your everyday go-to, especially if you work out often and need a basic bottle for the gym.There are almost 30 colors and patterns to choose from, including bright gradient and marble printed options. And we love that the 64-ounce size costs almost the same as some of our other recommendations, making the Iron Flask a solid value. Just note that this water bottle is hand wash only and can't go in the dishwasher. While this bottle keeps our water cold for hours, preserving ice cubes overnight with ease, Owala notes that it's not meant to hot hold beverages. Instead, we recommend S'well's Water Bottle for your tea or coffee. Water bottles can range in size from 12 ounces all the way up to 84 ounces (or even more). "When choosing a stainless steel bottle, consider what you’ll be using it for," Todini says. "If you’re active in sports choose a lightweight and slim bottle that can easily be carried, or if it’s your everyday water bottle choose one that fits in your bag or car’s cup holder." Like Corkcicle's Canteen, S'well's Water Bottle features triple-walled insulation—perfect for keeping your tea or coffee hot all morning long. The brand claims the largest bottle can keep drinks cold for up to 48 hours and hot for around 18. While we didn't test the full extent of this range, the bottle did perform well in our temperature tests, keeping our water fresh and cold after three and six hours. While Takeya's Actives bottle ultimately won out, we also highly recommend this option from Thermoflask. We love that, for a similar price, this bottle comes with two lids—one with a spout and one with a straw—so you can choose your preferred method of sipping.