Although heavier than plastic and lacking the insulating properties of aluminium, glass does allow for extra style and eco-credentials and eliminates any issues with water absorbing the taste of the inside of the bottle. The tumblers have a large handle, a three-way lid with a straw opening, a mouth opening or a full cover. However, we did find it quite stiff to operate, so this lid isn’t ideal if you’re looking for speedy drinking on the go. Whether you're at the gym, on your bike or at the office, our reusable water bottles are a sustainable and fun accessory to keep you hydrated on-the-go.

Old school favourite Stanley is now popular amongst Gen Z as well as older generations, thanks to a bout of viral fame for their constantly sold-out giant tumbler, which I review below. An activated carbon filter at the top of the bottle also reduces chlorine and organic chemical matter such as pesticides. We and our partners use cookies and similar tech to improve your site experience, show you personalised ads, and learn from your behaviour so we can, for example, recommend products you'll love! I like the textured feel of the bottle, which makes it a little less slippery than some steel options and prevents it feeling too cold or hot to the touch.

The only bottle we tested that comes with a user manual, it can filter bacteria, parasites, chemicals, pesticides and the microplastics we’re all trying to reduce by using a reusable water bottle in the first place.

It ultimately gives you control over your drinks, whatever the weather, and is available in a selection of cheery, bright colours. The bottom is slightly indented in the middle for a stable base and after a month of using it, I can confirm it’s durable and keeps water ice cold. If it’s too large, you risk spilling water all over you clothes; too small and it’s not a comfortable fit for the mouth. Browse water bottles in fresh pops of colour featuring everything from butterflies and zebras to sharks and dog designs.The Ultra Flexi 250ml Flask is a compact, lightweight and BPA free water bottle with a soft bite valve, Ideal for trail running. The Narrow Mouth Tritan is a classic Nalgene Triton bottle but with a narrow mouth to help prevent spills when your drinking on the go. The opening is pretty small, so this bottle won’t suit anyone who likes to chug their water and probably isn’t best for cardio workouts. it’s logic uses the income from its sales to organize environmental initiatives such as beach clean-ups via their platform Act. Best of all, every bottle bought gives a child in a developing country access to safe drinking water for a year.