Review – Hydro Flask Coffee Mugs And Flasks

by Brian Mullin on December 10, 2019

hydroflask_mugs

Hydro Flask 12oz Coffee Mug And 16 oz Coffee Flask

Hydro Flask produces a wide array of insulated bottles, mugs, flasks, tumblers, and cups for drinking water, coffee, tea, wine, beer, etc. They also make insulated packs, totes, and a new line of hydration packs for mountain biking. I tested the Hydro Flask 12 oz Coffee Mug And 16 oz Coffee Flask for almost a year now and found them to be excellent entities that kept my water and tea at the perfect temperature for long periods.

Their TempShield technology utilizes unique double-wall vacuum insulation that protects temperature for hours, so that cold drinks stay icy cold, and hot drinks stay piping hot, keeping you refreshed for any activity. They utilize an 18/8 pro-grade stainless steel to ensure a pure taste without any flavor transfer. The stainless steel also offers durable construction that can withstand whatever the adventure you participate in, from home to office, to the field.

All of their products feature a Lifetime Warranty: they guarantee any Hydro Flask product with a limited lifetime warranty against manufacturer defects

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Flip Lid top and Flask

16 oz Coffee Flask

It has a durable 18/8 Pro-Grade Stainless Steel inner construction that is BPA-Free and Phthalate-Free and utilizes their TempShield double-walled vacuum insulation system that helps keep beverages cold up to 24 hours and hot up to 12.  It has an outer metal body that has a chip-resistant and durable finish. It features their screw-on Hydro Flip Lid, that’s easy to sip from when open, and seals adequately when closed. The flask is also compatible with their Wide Mouth Flex Cap, and Wide Mouth Straw Lid. The size of the flask is coffee shop compatible, allowing you to refuel on-the-go and reduce paper cup waste, making for a more sustainable lifestyle.

The flask can hold 16 oz (473ml) of fluid, has a 2.28″ wide mouth, a 2.91″ width, 7.5″ height, and weighs 9.2 oz.

 

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It includes their Hydro Flip Lid, comes in Black, White, Graphite, Cobalt, Pacific, Lemon, Olive, Frost, and Watermelon colors, and retails for $24.95. It is also available in a 12 oz size for $21.95 and 20 oz for $27.95.

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Flask with stickers, Flip Lid (open and closed)

Impressions

The flask keeps beverages hot or cold for a long time. I was able to start with a mouth burning/piping hot cup of tea in the early morning, and by early evening it was still decently warm. Pre-heating the flask helped keep it hotter for a more extended time during the usage cycle, but didn’t alter the final cooling off period. It kept something cold for a much longer time, especially if you added more ice, but I tended to use it for hot tea mostly. Most of the thermal losses come from the lid itself, though keeping it shut helped it last a smidgen longer.

Popping open the Flip Lid was easy and straightforward: flick the protruded lip upwards and push it down flat, and you were good to go. Once the flip lid was shut down tightly and screwed on properly, I didn’t find it leaked, though Hydro Flask states it’s not leakproof? The lid has a decent-sized opening for sipping, and a breather hole at the back to help with flow control. I found the lower the volume got in the flask, the weaker the flow rate became, and you almost had to turn it up on edge for drinking during the last vestiges of your beverage. I enlarged the breather hole just a bit, and that helped immensely with the flow rate, though it still has an issue when it was getting near being empty.

Of course, I had to add stickers to the flask once I had taken initial pictures of it. I found out from my kids that you have to place stickers all over the bottle, except you can’t cover the Hydro Flask emblem and name. In my typical OCD fashion, the stickers hardly overlap and are symmetrical, which my daughter thought was funny since you’re supposed to slap them on willy nilly.

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Flex Sip Lid

I originally got to test their Flex Sip Lid, which had a twist opening design and had their Flex carry strap. It poured exceptionally well, making for much more delightful sipping, though it did leak just a hair when turned upside down or on its side. I personally liked the Flex Sip Lid better than the default Flip Lid, since it sipped more effectively and had the carry strap, but that is a moot point since it’s not available.

The Hydro Flask 16 oz Coffee Flask with its TempShield stainless steel double-walled vacuum insulation, metal body with a chip-resistant and durable powder coat finish, and an easy to use Hydro Flip lid, kept your favorite beverage hot for close to 8 hours and cold for almost a day and was the perfect size in your vehicle tray, in your packs side sleeve, and during general use.

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Press-In lid and mug

12 oz Coffee Mug

It has a durable 18/8 Pro-Grade Stainless Steel inner construction that is BPA-Free and Phthalate-Free and utilizes their TempShield double-walled vacuum insulation system that helps keep beverages cold or hot for hours. It features their innovative soft-touch finish, which is a rubberized outer shell, that feels good in your hands and doesn’t bang into things or make a noise when you put it down. Between the rubbery external body and robust stainless steel inner section, the mug has a long-lived design that tolerates daily use in multiple environments. It utilizes an insulated press-in lid that offers temperature control and splash-resistance during transport, whether walking around somewhere or in a vehicle. The mug can hold 12 oz (355ml) of fluid, has a 3.5″ wide mouth, a 5″ width, a 4.5″ height, and weighs 11.2 oz.

It includes their 22-ounce tumbler lid, comes in Black, Pacific, Olive, Watermelon, and Stone colors, and retails for $29.95.

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Press-In lid, showing spout and vent hole

Impressions

The press-in lid features a Honeycomb insulation technology for temperature control. It has a decent-sized opening for sipping, and a breather hole at the back to help with flow control. The lid sits in tight enough that it won’t pop off accidentally and offers splash-resistance during regular use, but things would pour out the spout if it tips over on its side, though the rather stubby shape and extensive bottom help prevent that. It’s tough to pry the lid off with your fingers, but it easily pops off if you push upward with your thumb while holding the handle.

Compared to a regular coffee mug, it keeps beverages cold or hot for a much more extended period, but it still can’t hold a candle to their standard bottles and flasks. For sitting around drinking a cup of coffee or tea, it does an excellent job of keeping the drink piping hot during that short period of use.

Their Soft Touch Finish outer skin is quite lovely and offers a nice tactile feel when holding onto the mug. The rubberized material provides a flexible handle and a quiet body when placing the cup down on anything.

The Hydro Flask 12 oz Coffee Mug with its TempShield stainless steel double-walled vacuum insulation, functional Soft Touch Finish, and the insulated press-in lid, offers a useful mug for sipping a beverage at home, the office, and out biking/camping.

{ 2 comments… read them below or add one }

Clare Walsh June 18, 2021 at 12:07 pm

Can the sipping hole be covered when in transit? It seems useless if it cannot.

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Brian Mullin June 18, 2021 at 1:03 pm

The coffee mug is meant for sitting around at camp, the boat, or home, it was not specifically designed for traveling. And the handle wouldn’t fit in a lot of cup holders. It does have what they call a ‘splash-resistant way to transport your beverage,’ but it’s not optimal for that. The Coffee Flask is my go-to unit for pretty much anything else.
The MTB Lab

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