Hydro Flask was founded in Bend, Oregon 2009 where a desert to the east and mountains to the west inspired the creation of a flask that would keep your coffee hot whilst you are out skiing or your water cold during your hike.

What sets the Hydro Flask apart from other flasks is that you can customise its design from a jaw-dropping 183,456 unique combinations, choose from 7 sizes 12oz, 16oz, 18oz, 20oz, 32oz (we were testing out the 32oz), 40oz and 64oz and two different lids, the Flex Cap that has an insulated lid and handy carry strap or the Hydro Flip that has a built-in straw for on the go hydration. Both caps, the Flex Cap strap, silicone boot and body all come customisable in a range of 12 different colours.

The Hydro Flask is created from a 18/8 Pro-Grade stainless steel with a double-wall internal construction interior, it is BPA and phthalate free and finished with a durable, sweat-free powder coat. Cold drinks can stay cold for 24 hours and hot drinks to stay piping hot for 6 hours (my coffee 5 hours later was still as hot as if I had just boiled the kettle; although it did still taste like flask coffee). The 32oz will hold just under 4 small cups of water, but the Hydro Flask sadly doesn’t come with any cups and weighs 480g empty and a whopping 1380g full so it isn’t ideal for hiking or anything that involves carrying it about for too long. Another annoying thing was even though the powder finish is scratch resistant it managed to pick up a few black scuff marks, one of which was already there when we received the product, for me this isn’t a huge problem but for someone who goes to all the effort of choosing each component colour may not be so impressed.

Overall, it performed well with the cold drinks, staying lovely and chilled for a long time. My drink was 7degree when I put it in and at 7 degrees 2 hours later, 10 degrees 12 hours later and 12 degrees after 24 hours; still 8 degrees lower than the average room temperature. The flask faired almost identical with the hot drink, staying at a high temperature for hours. A worthy purchase in my eyes. RRP $39.95

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Out 4.8 of 5

Pros

Custom design

Wide opening makes it easy to clean

Cons

Heavy