One of the things I've been using for many years is,Hydro Flasc (Hydro Flask)There is a brand of water bottle called " that keeps things cool and warm.
Available in a wide variety of types, this is a popular product that shines with both color and design sense.
*The Hydro Flask bottle in the top image was purchased about 6 years ago, and with use it has acquired some scratches and dents, making it a companion with a certain character. (As of September 2023)
Nowadays, there are also "sub-zero bottles" such as Doshisha's ON℃ZONE, which are also appealing.
However, the advantage of Hydro Flask water bottles is that they can not only keep things cold, but also hot.
And the overwhelming coolness that captivates so many fans is the reason for Hydro Flasc's popularity and its appeal.
Currently, the big names in thermoses, or water bottles or tumblers, are Thermos, Tiger, and Zojirushi.
Let's see how well Hydro Flasc performs in this head-on challenge...I'd like to share my impressions after using this product for six years and consider the reasons for its popularity, introduce six recommended features, and actually test it out to see how it performs.
We would also like to introduce the appeal of Hydro Flasc, a design that you will never forget once you see it.
- What country is Hydro Flask popular from?
- Boasting excellent heat and cold retention, you can always enjoy your drinks at the right temperature
- Easy to carry and ideal for outdoor use
- Efforts are made to preserve the flavor
- There are many designs and varieties
- Stylish and practical design is popular
- Highly durable and sturdy enough to be used for many years
- From an environmental perspective, it's an eco-friendly choice that reduces waste.
- What not to put in a Hydro Flask
Reason for popularity: Hydro Flasc water bottles are loved in Hawaii, where summer is always here, and have become extremely popular.
Hydro Flasc water bottles have only recently been released in Japan in 2017, but they have been attracting attention since their arrival and have become a huge hit item since their release.
Before its release in Japan, Hydro Flasc gained huge popularity in the tropical island of Hawaii, and finally made its way to Japan. When it was first released, I saw Hydro Flascs displayed in gorgeous displays in select shops all over the place, and I was so impressed by their cool design that I would pick one up and buy one.
Hydro Flasc itself was born in the United States in 2009.A stainless steel bottle with revolutionary double vacuum insulation for heat and cold storagewas developed, and various other products such as tumblers and mugs were subsequently made. Their excellent ability to retain heat and cold was recognized, leading to their popularity.
In Hawaii, the island of perpetual summer, Hydro Flasc water bottles have become a hot topic as they allow you to enjoy cold drinks any time of the year. They have also become extremely popular among the fashion-conscious younger generation, with collaboration bottles being released in collaboration with various famous local shops.
It is also a popular souvenir, and has gradually gained global popularity.
In addition, regular plastic bottles create a lot of garbage when you go to the beach or the mountains. The more popular the destination, the greater the problem.
So by switching from plastic bottles to Hydro Flasc insulated water bottles, you can reduce waste.Each and every one of us can be involved in the SDGs.I would like to continue this activity for as long as possible and be involved in creating a beautiful Earth.
The reason for Hydro Flasc's popularity: various collaboration bottles
Hydro Flasc also has a variety of collaboration models of water bottles, all of which are so popular that they sell out quickly, appealing to collectors. All of the collaboration bottles have beautiful designs and are very popular.
For example, the limited collaboration bottle with "NANGA" above. NANGA is a brand that produces fairly high-end products in the camping industry, and is mainly known for its sleeping bags.
I also want a NANGA sleeping bag, but I can't afford it...
Both Hydro Flasc and NANGA are inextricably linked to temperature.
This is a collaboration bottle that any camper would want to get their hands on.
This isHydroFlask x Nick Kuchar x ANA triple collaboration bottle!
This collaboration bottle features a vivid ANA blue color.
Nick Kuchar is an artist living on the island of Oahu in Hawaii. He studied painting in his native Florida and works primarily as an interior designer.
The fluffy illustration of Hawaii (?) on the bottle is really cute.
Another reason for its popularity is that it actively collaborates on bottles with these admired big names and dreamy companies.
This bottle is a collaboration between the travel brand MILESTO and Hydro Flasc.
This collaboration bottle has a simple design with the MILESTO logo and a travel message for an adult look.
MILESTO itself is popular among a wide range of ages, from 20s to 50s, and Hydro Flasc water bottles are also popular among a wide range of age groups, from younger generations to middle-aged people, so I think this kind of collaboration is great.
Hydro Flasc has released many other collaborative bottles in addition to this one, and I think the reason for their popularity is that they create amazing, special designs that break away from conventional ideas.
This is the Meteor Stainless Bottle, a collaboration bottle with the RPG giant "Final Fantasy 14".
The design, with just a meteor mark in the center of the bottle, is very beautiful, and it is a very popular bottle due to its rarity and the fact that it is a must-have.
6 Recommended Points of Hydro Flasc Water Bottles
Hydro Flasc only arrived in Japan in 2017, so it is still a new brand with room to grow in popularity.
And although it is popular,A bottle that is unique even when outdoorsBut there is also. If you are interested in brands like Hydro Flask,I imagine that they are people who dislike being the same as others or siding with the majority.At least that's how I feel. So why not discover the appeal of Hydro Flasc and get your very own water bottle?
The versatility of Hydro Flasc means it can be used flexibly for both indoor and outdoor occasions.
Here, I would like to introduce five recommended points that are the reasons why Hydro Flasc is so loved and popular.
Recommended point 1: Outstanding heat and cold retention
The biggest selling point of Hydro Flasc water bottles is their excellent ability to keep drinks hot and cold.
In actual fact, it maintains its cooling performance for nearly half a day, and keeps things warm for about six hours.
There are two secrets.
The first is vacuum insulation with double stainless steel walls.
The second is the honeycomb insulation structure applied to the bottle cap.
Maintaining the temperature of a drink for a long period of time is a very difficult skill.
Hydro Flasc water bottles offer excellent insulation for both hot and cold drinks.
Recommended point 2: Easy to carry
When I go out, I attach my Hydro Flasc water bottle to my AO SI MANNI backpack with a carabiner.
The size and weight are not too big or heavy, so it is easy to carry around.
Also, if you remove it from the carabiner and try to drink it,I think the appeal of Hydro Flasc water bottles is that they are very easy to hold in one hand and easy to carry.
In addition, the surface of the bottle is powder coated, so you can hold the bottle with a high grip even with wet hands without slipping. Such small details are the secret to its popularity.
Recommended point 3: Tips to maintain deliciousness
The taste and feel of the drink are influenced by the mouthfeel.18/8 Pro Grade Stainless SteelIt is one of the most rust-resistant stainless steels, and prevents odors and flavors from transferring, a concern that can arise over time, allowing you to enjoy pure, unadulterated flavors for a long time.
I've been using it for six years now, and there's no rust or iron smell that is common with stainless steel bottles. You can enjoy the pure, unadulterated flavor of the ingredients.
Recommended point 4: Wide variety of Hydro Flasc drinks
Hydro Flasc not only comes in bottle-shaped, but also in tumbler, teacup, kettle, and other shapes, too numerous to list here, and all of them are very popular.
Not only water bottles, but also mugs, beer cups, plates, rice side dish jars, and more.
The wide variety of items available is all very stylish, and if you have one you're sure to be the center of attention.
Why not choose your very own item from the attractive lineup of Hydro Flasc products?
Recommended point 5: A design that combines fashion and practicality
What makes Hydro Flasc so popular is its indescribable streamlined shape and stylish design, such as its color scheme.
A tastefully placed logo mark and a vibrant color lineup.
All Hydro Flasc products come in a wide range of colors and have excellent heat and cold retention capabilities, making them both stylish and practical.
No matter which product you pick up, you will find impeccable craftsmanship and design, with a quality that will fully satisfy your sense of ownership.
Get your own color and take your favorite Hydro Flasc outside with a cheerful heart...
Hydro Flasc is not just for your own enjoyment, but also a great gift for loved ones.
Recommendation point 6: Very sturdy construction
Hydro Flasc offers a wide range of products in addition to water bottles, all of which are extremely durable.
This is just my guess, but I think that the simple, streamlined design and the cap structure that eliminates unnecessary elements make it resistant to external shocks and has a low failure rate.
To demonstrate its sturdiness, the bottle itself and the cap are made to be thick and sturdy.
The great thing about this water bottle is that it is lightweight despite its construction.
Since it is something you use every day, the lighter it is, the better. Hydro Flasc is a great product that perfectly captures the perspective of such users.
Hydro Flasc water bottle specifications
The Hydro Flask bottle I use is about 6 years old.
The specifications may differ from the original, but please use them as a reference. *The following specifications are for the latest 21oz bottle.
● Cooling performance: Approximately 24 hours
● Heat retention performance: Approximately 6 hours
●容量：621ml
●Weight: About 0.3kg
●Function 1: Vacuum insulation structure/Vacuum insulation structure is achieved by doubling the stainless steel.
It keeps food cold for 24 hours and hot for 6 hours.
●Feature 2: Honeycomb structure/The cap uses the same honeycomb insulation structure as a beehive, a natural functional beauty. By maintaining the internal temperature, you can always enjoy delicious drinks.
●Features 3: 18/8 stainless steel/Made of 18/8 stainless steel, which is highly durable and resistant and is also used for tableware.
●Feature 4: BPA-free: Made from materials that do not contain bisphenol A (BPA), which is harmful to the human body. Safe for children to use.
Hydro Flasc claims to keep drinks cold for 24 hours and hot for 6 hours.
However, as a long-time Hydro Flasc user, I have some reservations about these numbers.
I feel like it doesn't last 24 hours when it comes to keeping things cold. But it still performs well enough. *I don't know about keeping things warm.
My bottle is from when the brand first launched in 2017, and I've used it quite a bit, so it's possible that its performance has deteriorated or its specifications have changed. *I don't remember the performance or actual mouthfeel at the time^^;
With that in mind, we tested the actual cooling and heat retention performance of Hydro Flasc in the next section, which we hope you will find useful.
How long can a Hydro Flasc water bottle keep something hot or cold?
I tested my Hydro Flasc 21oz 621ml to see how well it actually keeps drinks cold and hot, by checking the thermometer readings every hour and sharing my impressions of how it felt to drink.
The manufacturer states that it has a cooling capacity of 24 hours and a heat retention capacity of 6 hours.
In conclusion, the cooling performance was 8 hours and the heat retention performance was 6 hours (author's subjective opinion)..
With this in mind, we present the following test verification:
The test environment was mid-September, when the temperature was 9°C, and a Hydro Flasc filled with iced sports drink was used, followed the next day by a Hydro Flasc filled with hot roasted green tea, which was drunk every hour to test the device's performance.
Incidentally, the manufacturer guarantees the product's performance with a strong statement on their official website:
We guarantee that if you grab some iced water in the morning, it will still be there by the afternoon. Don't have time for a cup of coffee in the morning? Don't worry, HydroFlask will keep your coffee hot until you're ready to get ready. We also guarantee that you'll never have to worry about condensation on the outside of your bottle from a cold drink or an overheated bottle.
Quote: https://www.hydroflask.co.jp/smartphone/page7.html
Testing Hydro Flasc's cooling performance
First, we tested the cooling performance.
Put ice and sports drink in the water bottle and take temperature measurements and impressions every hour.
By the way, the temperature at which a drink feels cold varies from person to person.About 0℃ to 18℃So, I would like you to use this temperature as a reference.
0 hours…
This is the starting point. The temperature of the liquid is minus 0.1 degrees Celsius. Take a sip and memorize this coldness. The surface of the bottle is ice cold.
1 hours…
The ice doesn't melt and the drink stays ice cold. The liquid temperature is just 0°C. The water bottle is also ice cold. At this point, it outperforms regular mugs and tumblers.
2 hours…
The ice has melted a little. The temperature of the liquid is still 1.9℃, so it's still very cold. The manufacturer says that it won't condense, but the water bottle is very cold.
3 hours…
The ice has melted quite a bit. The temperature of the liquid is 5.4℃. It feels just the right temperature in your mouth.
4 hours…
The ice has completely melted and the liquid temperature has risen significantly to 13.4℃, but it is still cold. Drinks are said to feel cold at temperatures between 5℃ and 18℃, so it will be interesting to see how long the temperature can be maintained from this point.
5 hours…
The liquid temperature reached 18°C, just below the cold limit of 17.5°C. The impression from the mouth of the bottle was that it was still cold enough, and the flask itself was cool.
6 hours…
The liquid temperature exceeded the cold limit of 18°C and reached 19.1°C. Although it was a little warm, it still stayed cold and the drink was delicious.
The water bottle is still cool.
7 hours…
There isn't much change in temperature.
Is this the time to maintain the performance of the water bottle? The mouth of the bottle is still cold.
8 hours…
The temperature rose by about 1 degree, but the temperature rise in the Hydro Flasc water bottle is now very slow. I don't know what standard the manufacturer is using to talk about the "24-hour cold storage capacity," but it probably refers to the long-term cold storage capacity including this temperature range. I felt that the mouth of the bottle was a little warm at this temperature range.
The drink's temperature has now reached a stable period, so we'll end the cooling test here.
Personally, I think the temperature range that feels cold is around 20°C or below.
The ice melted surprisingly quickly, but the temperature changed gradually after that, so it felt colder than it actually was.
Testing Hydro Flasc's Thermal Insulation Performance
The next morning, we test the heat retention performance.
We put some hot roasted green tea into a Hydro Flasc water bottle to test how long it would stay hot.
By the way, the temperature at which a drink feels hot is20℃～35℃It is said that this area is room temperature, and any temperature higher than that is hot.
The manufacturer claims that the heat retention performance is 6 hours.
The room temperature was 26.5℃. What was the result?
0 hours…
First, I took a sip to remember how hot it was. It was piping hot. The water temperature was 90.5℃ and my hands were hot while holding the water bottle.
1 hours…
The temperature suddenly dropped to just 70℃, but the mouth of the bottle is still hot enough to burn you if you don't blow on it. The water bottle is still hot too.
2 hours…
The temperature dropped to 57°C. It felt about as hot as tea served in a bar. ...Can you relate to that feeling? ^^;
The water bottle is still warm.
3 hours…
The temperature has dropped considerably to 48°C. The thermos is still slightly warm, and the mouth of the tea has become much lukewarm compared to the initial 90°C, but this is the right temperature for delicious tea.
4 hours…
The water temperature is 42.1℃. The temperature is starting to drop more slowly.
The water bottle still feels slightly warm in my hand and the tea is hot and delicious.
5 hours…
The water temperature is 37.9℃. It is still above the temperature at which a drink feels warm, which is 35℃. When you actually drink it, it is a slightly warm and comfortable temperature.
6 hours…
The temperature dropped to 34.5°C. The mouth of the bottle became quite warm, but it remained at a comfortable temperature. It's great that it can maintain this temperature for 6 hours.
The temperature drop has settled down, so we'll stop testing here.
As for the heat retention performance, it kept the drink warm for 6 hours as advertised. And it lived up to Hydro Flasc's claim that "Do you feel like you don't have time to drink coffee in the morning? Don't worry, HydroFlask will keep your coffee hot until you're ready to go." It seems there is no lie in the words.
Your drink will stay hot even when you get ready, even when you get to the office. The fact that hot drinks can stay hot for up to six hours is sure to come in handy as the weather gets colder.
Conclusion
There was a significant discrepancy between the cooling and heat retention performance advertised by the manufacturer and the results of the actual test, but this may be related to the fact that my Hydro Flasc water bottle was made in 2017, just after it was introduced in Japan, and that its performance has deteriorated over time.
AlthoughThe fact that it keeps drinks cold for up to 8 hours plus means you can enjoy ice-cold drinks.
In addition, Can hold hot drinks for up to 6 hoursI think it is very attractive and appealing.
You can enjoy delicious cold drinks whether you're spending your holidays indoors, working at the office from morning to evening, or spending the day outdoors until dusk.It also keeps hot drinks at their temperature for a long time from the morning, so you can enjoy them at your leisure.
I am satisfied with the test results, which are sufficient for my needs.
Hydro Flasc lineup
Hydro Flasc has a wide lineup of not only water bottles, but also a wide variety of other products. There are many different types of bottles alone, as well as tableware such as tumblers, mugs, dishes, and bowls, all of which are highly practical and beautifully designed.
Hydro Flask's thoroughness is the same for all of its products.
- Vacuum insulation processing
- 18/8
- BPA Free
- Special powder treatment on the body surface
It has the specs. And the lineup of popular colors has a wide selection of colors. When you look at them, you'll want them all.
We have listed some of the products in our lineup below, so please find the Hydro Flasc that's right for you.
Hydro Flasc water bottles come in a total of 16 colors.
The bottle I use is this size, and it is a symbolic item that represents Hydro Flasc.
A stylish tumbler from Hydro Flasc. This one also boasts 24-hour cold and hot retention, so you can enjoy cold and hot drinks for a long time. Available in 12oz (354mL) and 13 colors.
This mug is designed to hold just the right amount of coffee. 6oz (177ml)
We also have a larger 350ml mug available in 13 colors.
This is the product I want most right now.
This is a Hydro Flasc tableware bowl.
I don't think this has much to do with the heat retention or cooling performance, but once you get hooked on Hydro Flasc, you'll want all of their products.
It would be good for salads, cold noodles, pasta, etc.
It is used to hold rice, stews, soups, etc.
By taking advantage of Hydro Flasc's heat retention function, you can enjoy warm rice and side dishes even after some time has passed.
It can be used together with a drink bottle and your everyday lunch box for commuting. Available in 3 colors.
This is a product that makes the most of the Hydro Flasc's capabilities.
It's a cooler bag.
Its performance is unknown, but I think it will be of great interest to anyone who goes camping or picnicking.
I'll be making my camping debut this year, so I'm really curious about it.
This lunch box uses Hydro Flasc's double vacuum insulated structure.
It is possible to keep your favorite lunch hot or cold for a long time, so you can eat rice at the right temperature regardless of where you are. Available in 3 colors.
The popularity and appeal of Hydro Flasc
The Hydro Flasc's greatest appeal is its ability to keep drinks hot or cold, but it also has some great details.
First of all, it has a texture that feels gentle and clingy when you pick it up. It also has anti-slip properties, and functional beauty and design are fused together in an invisible place.
The reason Hydro Flasc is so popular is not only because of the benefits we have introduced so far, but also because it is affordable and easy to obtain.
The wide range of eye-catching color patterns, all of which have beautiful hues, forces users to make a difficult decision.
Hydro Flasc has an appeal that stimulates desire and makes you want to collect all of them.
The fact that they offer such a wide range of colors is a testament to their confidence in their sales power.
Also, the mouth of the bottle is wide open,It's designed so that you can gulp it down easily when you're thirsty, and I think it's a great drinking spout for quenching a parched throat during sports or other activities.
It's a little difficult to turn the cap.
And even if you take it to the beach or do water activities and the bottle gets soaked, it's okay. The bottle is designed to dry quickly,The water will disappear in no time.You can take it out without worrying about moisture.
Conversely, even if you grab the bottle with wet hands, the smooth powder coating grips your hand and prevents it from slipping.
One thing all Hydro Flasc products have in common is that they are made entirely from stainless steel.
This stainless steel material is known for its high-spec quality.18-8ステンレスThe bottle is made of "rust- and impact-resistant material, and its ability to withstand rough handling gives users peace of mind.
The Hydro Flasc also has a beautiful design that you will never get bored of looking at.
Over the years of use, Hydro Flasc will acquire scratches and wear, but these also add to its charm, and the fun of developing it into your own unique piece of gear is what makes it so great.
I've been using it for a long time and always take it with me wherever I go to quench my thirst.
Now he has become my best friend.
Fake and similar products of Hydro Flask
Hydro Flasc has only recently arrived in Japan six years ago, but it has gained huge popularity since its launch and has been featured by trend-conscious popular YouTubers and Instagrammers.
And because of its popularity, there are a lot of counterfeits and so-called rip-off products on the market.
Be careful not to buy from suspicious or unofficial shopping sites.
However, the fact that such products are available is proof of their popularity. I hope Hydro Flasc will continue to release great products.
What not to put in a Hydro Flask
Hydro Flask is very convenient and well designed, and can be said to be the perfect partner for outdoors, but there are some things you should be careful of. Below is a list of things you should not put in Hydro Flask, so please be careful when using it.
soda drink
- the reason: When you put carbonated drinks in a Hydro Flask, the carbon dioxide gas accumulates inside the bottle, creating too much pressure and putting the cap in danger of flying off. It can also make the bottle difficult to open.
2. Dairy products
- the reasonStoring dairy products such as milk and yogurt in bottles for long periods of time can lead to spoilage, bad odors, and hygiene issues. Constant temperatures can also promote the growth of bacteria.
3. Juice and sports drinks
- the reasonStoring highly acidic juices or sports drinks in them for extended periods of time can damage stainless steel, and the acid in the drink can also affect the inside of the container over time, compromising its quality.
4. Boiling water (close to 100°C)
- the reason：Hydro Flask can handle boiling water, but pouring boiling water close to 100℃ will make the bottle extremely hot and dangerous to handle. Also, there is a risk of getting burned when drinking, so we recommend adjusting the temperature to a moderate level.
5. Soup or other solid foods
- the reason: If solid objects are in the bottle, they can cause blockages in the spout or cap. Also, leaving them in the bottle for a long period of time can pose a hygiene risk.
6. Strongly scented drink
- the reason: Strong-smelling drinks such as coffee and herbal tea tend to leave odors inside the bottle. If the bottle is not properly cleaned, the odor may transfer to the next drink you put in.
Summary of Hydro Flasc
The popular Hydro Flasc water bottle combines high performance with beautiful design.
Not only bottle-shaped ones, but also a variety of other types such as tumblers, bowls, and mugs are available, all of which are attractive and will stimulate your desire to buy them.
And once you actually hold it in your hands, it is a fascinating product that satisfies your desire to own it, something that can't be replaced by anything else.
I want to start camping next year, and right now I want to get a Hydro Flask mug.
This was an introduction to the attractive Hydro Flasc.^^)
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