S’well claims its bottle will keep cold water cold for up to 24 hours and hot water hot for up to 12. While it’s hard to define “cold” and “hot” as a precise temperature, we conducted 24- and 12-hour ...

An insulated water bottle that keeps your beverages close and cold is a great way to hydrate more and reduce your single-use plastic waste. Unfortunately, it’s hard to tell which bottle lives up to ...

— Recommendations are independently chosen by our editors. Purchases you make through our links may earn us and our publishing partners a commission. Reusable water bottles are cool and we all know ...

Basic plastic water bottles are lightweight and inexpensive, but they aren’t the best at keeping water cool for very long because plastic has no insulating properties. If you want ice-cold ...

Words cannot explain our love affair with Simple Modern's water bottles and tumblers. The prints are the cutest, they keep our beverages cold or hot for a long time, and they fit in cup holders. Made ...

Even when you don’t feel thirsty, your body is losing fluid constantly through respiration, sweat and elimination. Staying hydrated year-round — especially in the winter when activity levels are ...