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The Best Insulated Water Bottle - 2021

Last updated on May 4, 2021

We looked at the top 7 Insulated Water Bottles and dug through the reviews from 26 of the most popular review sites including and more. The result is a ranking of the best Insulated Water Bottles.

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Our Picks For The Top Insulated Water Bottles

Show Contents
Our Take
  Best Overall

Iron Flask Insulated 32-Ounce Stainless Sports Water Bottle

Don't Waste Your Money Seal of Approval

Iron Flask

Insulated 32-Ounce Stainless Sports Water Bottle

Overall Take

Includes Three LidsYou have the option to choose from three different lids with this water bottle.

  Also Consider

Takeya Originals Vacuum-Insulated Stainless-Steel Water Bottle, 32-Ounce


Originals Vacuum-Insulated Stainless-Steel Water Bottle, 32-Ounce

Overall Take

Leakproof LidThe lid ensures none of your beverage ends up on the outside of your bottle.

  We Also Like

Simple Modern 1-Liter Insulated Straw Lid Water Bottle

Simple Modern

1-Liter Insulated Straw Lid Water Bottle

Overall Take

Vacuum InsulatedThis water bottle has double-wall insulation to keep drinks cold.

  For Outdoorsy Types

Thermoflask Double Stainless Steel Insulated Water Bottle, 24-Ounce


Double Stainless Steel Insulated Water Bottle, 24-Ounce

Overall Take

For Active LifestylesThis water bottle is ideal for camping, hiking or any other activity.

  Best for Biking

CamelBak Podium Chill Insulated Squeeze Bike Water Bottle


Podium Chill Insulated Squeeze Bike Water Bottle

Overall Take

Optimized Cage FitThis bottle is designed to fit securely in bottle cages.

Don't just take for granted what one reviewer says. Along with our own experts, Simplemost analyzes the top expert reviews of the leading products and generates a score you can actually trust.

Products Considered

We identified the majority of the insulated water bottles available to purchase.

Products Analyzed

We then selected the leading and most popular products for our team to review.

View All Product Rankings


Expert Reviews Included

In addition to our expert reviews, we also incorporate feedback and analysis of some of the most respected sources.


User Opinions Analyzed

We also incorporate user reviews from the leading retailers including

The Best Overall

Iron Flask Insulated 32-Ounce Stainless Sports Water Bottle

Our Expert Score


Our Take

This insulated water bottle comes with three different lids: carabiner straw lid, flip lid and stainless steel lid. The bottle has a functional design with a stunning exterior finish. It should be hand washed only.

Our Insulated Water Bottle Buying Guide

An insulated water bottle is an excellent choice if you want to reduce single-use plastic waste. Insulated bottles not only are an eco-friendly option, but they also keep your beverage at the perfect temperature all day. Most insulated water bottles have thermos-like construction, which means they can ensure your drink maintains temperature for long periods of time. There is very little temperature transfer to the outer walls, so the bottle remains comfortable to hold. Plus, insulated bottles don’t get condensation either, so you don’t have to deal with any moisture on the outside of the bottle.

Most insulated water bottles are made out of stainless steel, which is a durable and safe option. There is no risk of breaking, cracking or denting because of how strong stainless steel is, so you don’t have to worry if you accidentally drop your water bottle. Stainless steel is also comparatively light, so your bottle will be easily portable.

Simplemost Fun Fact

Be sure to wash your insulated water bottle regularly, even if you only use it for water. For everyday cleaning, use a bottle brush to scrub the inside and outside of the bottle with mild dish soap. Rinse out the bottle and let it air dry upside down. For deep cleans, fill the bottle with a mixture of water and white vinegar, and let it sit overnight. Wash it out the next day and let it air dry.

The Insulated Water Bottle Tips and Advice

  • The height and width of the bottle is an important buying factor. If you use your insulated water bottle in your car, ensure that the bottle fits nicely into your cup holders. If you like to place the bottle in the outer pockets of a backpack, ensure that the size works for you. The bottle should also be comfortable to hold in your hands without feeling bulky or awkward.
  • There are different types of lids for insulated water bottles. Screw-top lids are fairly common and easy to open and close. Some bottles have spout or nozzle lids, which can be limiting to drink from. Some water bottles actually come with multiple lid options so you can choose which works best for you. Having a lid that attaches to the bottle, even when open, is handy for keeping everything together. This way there is no chance of losing the lid.
  • Angled bottles look interesting, but keep in mind that they may be hard to clean if there is a pronounced bottleneck. Typically, straight-edge bottles are the easiest to clean and maintain.
  • Having a handle on the water bottle is key, especially if you usually have your hands full. A handle makes it easier to carry your insulated water bottle along with a number of other things. You can also use the handle to attach the bottle to a purse or backpack.

About The Author

Anam Ahmed 

Anam Ahmed is a professional copywriter and essayist based in Toronto. She has been writing on technology, travel, parenting, and business for over 10 years, and works with a number of high-profile organizations. As an avid home cook who loves making magic in the kitchen, she values finding the best products to make people's lives easier. Anam earned a master's degree from the University of Toronto and a bachelor's degree from Queen's University.