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Our sweat-proof t-shirt gives you security in all situations!

Our t-shirts are not only sweat-proof, but also functional and durable. They are designed in Sweden with our unique sweat-proof technology that keeps you dry and fresh all day. Our t-shirts are made from natural materials such as Hemp and Tencel, which are naturally antibacterial, odor resistant and moisture wicking. You can wear our sweat-proof t-shirt under any garment, and feel safe and relaxed in any situation!

  • Our Products

Why Ideal Underwear?

Research & development of Material

Research & development of Material

Hemp and Tencel™ are one of our most eco-friendly materials and are carefully selected and blended in a certain proportion based on their unique natural properties that give our t-shirt great properties that add great value to our sweatproof technology. All this so that you can enjoy healthy clothing with the best functional features!
Sweat Shield

Sweat Shield

Our sweat proof technology in our undershirt with a three layer sweat shield, not only prevents underarm stains and odor, but also gives you peace of mind knowing that your sensitive skin will stay dry no matter the conditions. Get all-day confidence with our revolutionary sweat proof technology. Trust that your clothes will stay stain free and fresh- so you can focus on the important things!
Great for sensitive skin

Great for sensitive skin

Hemp and Tencel™ have the added benefit of being good for allergy-prone or sensitive skin. Its fiber feels soft and comfortable and wicks any moisture quickly away. It helps keep the skin dry and avoids irritation
Antibacterial & odor resistant

Antibacterial & odor resistant

Our fabric is naturally antibacterial and that means less odor-causing bacteria (body odor) can build up. These hypoallergenic qualities make our t-shirt feel fresh and are great for sensitive skin and allergies. It contributes to more healthier clothing.
Absorbent

Absorbent

Hemp and Tencel™  materials are highly absorbent. This is important for fabrics in contact with our skin, as sweat is quickly absorbed and released. This means it dries quickly and less moisture is retained and less odor-causing bacteria can build up. This allows for more wears between washes. Less washing means a more sustainable wardrobe.
Breathable & Insulating

Breathable & Insulating

Due to our unique material choices our t-shirt has natural thermoregulating properties. This allows an optimum amount of airflow, keeping you cool in the summer and allows you to warm up in winter. The core temperature of the body works with the fabric, not against it.
Durable

Durable

Our t-shirt wears in, not out. The strength of our material is up to eight times that of cotton. It’s highly durable but at the same time soft and light fabric with high elasticity and stretch and becoming softer and more comfortable over time. This means our product is long lasting, and good for the environment and the economy.
Slim Fit and extra length

Slim Fit and extra length

Our slim fit t-shirts are designed to be less baggy than standard t-shirts, offering a more fitted look that is particularly desirable for more formal occasions. We added longer lengths allowing them to fit the natural shape of the body for the best look when tucked into trousers or worn under another shirt or jacket. Our slim fit t-shirts offer great versatility for any wardrobe, making them a practical yet stylish item of clothing.

Our Values

“Our Swedish and Pakistani heritage of innovation, sustainability and craftsmanship is deeply rooted in our DNA. We use that power to give us who sweat a safe, sustainable and functional everyday life”
Krister Ruth, business developer & Mudassar Anwar, textile engineer.

We were founded in Umeå, in northern Sweden, but we have roots and influences from Lapland and Pakistan. Living in Västerbotten is happiness! We are the region in the world with the highest Social Progress Index, an indicator that makes a complete assessment of people’s well-being in a society, based on various social, cultural and environmental variables.

Our location in the Arctic with its cold, beautiful nature and long distances means that we humans need to take care of our surroundings and each other, and we do that with joy and pride! We see it as our duty to pass on these values.

And we do, with Ideal Underwear!

Our Story

Brand promise: Through innovative, functional and durable clothing, Ideal Underwear wants to create security and increased well-being for people who suffer from sweating!

It all started with a passion to develop innovative, durable and functional clothing while solving the problems of people who sweat more than average.

Ideal Underwear was founded in Umeå, in northern Sweden and we have roots and influences from Lapland and Pakistan. We are both serial entrepreneurs who have a long background in product development and problem solving through innovation and we are both passionate about contributing to a better and sustainable society.

Krister is a business developer and inventor, introduced as a mentor to Mudassar through a mentoring program to help Mudassar with business development for his sustainable sock brand.

During one of our mentor/adept meetings, Krister curiously asked – “Mudassar, do you think it is possible to develop a really durable, functional and sweat-proof t-shirt for everyone who sweats?” Krister went on to talk about the problems with sweat stains on his shirts and blazers and how it can sometimes disturb confidence in certain social contexts. Mudassar who is a textile engineer, shared his thoughts on some possible solutions and then confidently replied, – Yes!

Long story short, we developed our first prototypes of a t-shirt with a sweat-proof three-layer protection under the arms in the world’s most durable fiber Hemp and Tencel.

These materials have the best properties for sensitive skin, natural and multi-functional, and we both then started testing the product in various hot, pressing, stressful and sweaty situations. The initial results were very promising and we were both proud and hopeful to be able to offer a product that solves a major personal problem for the 15% of the world’s population who suffer from excessive sweating.

But of course we weren’t done. In the following three years, we continued to improve our product, to make it as sustainable as possible, for both people and the environment – and that through these T-shirts we can contribute to a more long-term and sustainable world, where people can feel safe from inside and out.

Naming the T-shirt became simpler – Ideal Underwear.
It feels like a direct description of the philosophy behind the brand and the promise we make to our prospective customers. We offer a unique collection of underwear that is ideal for people who sweat.

Of course, our T-shirt should also fit people who sweat normally, or even a little. Therefore, it is both comfortable and stylish too – in addition to being fresh in all situations. A must have in your wardrobe simply!

Try on a T-shirt and you’ll immediately get an idea of ​​the quality and feel you can walk around with.

We can guarantee you that it will become your new favorite t-shirt.

Why Our Customers recommend Us?

Exercises basically daily and sweats very easily. Tested the shirt both on the track and in warm dance halls. The shields under the arms work excellently and the material in the slim shirt makes you feel almost dry during the sessions and the fact that you don’t have to wash it so often is a real bonus.

Conny 77

This t-shirt has truly surpassed all things that I could only dream of. Now you can feel how the sweat runs down the upper body in bits and pieces, but in some strange way is caught and absorbed by the t-shirt without being carried on to the outer garments. After a whole evening of dancing, there is still no impact on the shirt, which was also dung-sour before. Absolutely magical product that can also be hung to dry after a sweat and can be used again without either smelling bad or feeling stale.

Roger 47

I don’t sweat much but I like the idea of not having to wash my shirts as often. It works far beyond my expectations and now I wash half as often as before. I also love that the t-shirt gets nicer and nicer the more I wear it!

Miqdad 30

Frequently asked questions

A t-shirt that guarantees you won’t get sweat stains on your clothes. Ideal Underwear’s sweat-proof t-shirt is sewn with a special three-layer sweat protection under the arms, which guarantees that sweat does not penetrate and you get sweat stains on your clothes.

Hemp and Tencel™ have the added benefit of being good for allergy-prone or sensitive skin. Its fiber feels soft and comfortable and transports away all moisture quickly. It helps keep the skin dry and avoids irritation.

A sweat-proof t-shirt ensures that stains do not transfer to shirts and dresses; it does not result in less sweating. The sweat-proof technology means that your clothes remain stain-free and fresh, day in and day out.

The advantage of Ideal Underwear is that the t-shirt does not wrinkle under, for example, your shirt or dress and thus creates lines that are visible through.

No, our products have natural antibacterial protection, which does not wash out. On the contrary, the protection is there for the entire time you use our products, which is very good for your skin.

Using our sweatproof technology with three layers of sweat protection not only prevents underarm sweat stains and bad odor, but also gives you peace of mind knowing your sensitive skin will stay dry no matter the conditions.

Once you start sweating and sweat stains appear on your clothes and dry, the salt, proteins and oils in the sweat can leave marks. These usually disappear in normal machine washing.

There are many ways, but the most common is to use antiperspirant or deodorant. They contain different substances and many products are both antiperspirant and deodorant at the same time.

You can seek help if you sweat a lot and deodorants with antiperspirants do not help and you feel it is a problem. There are many different types of treatments and medications.

The smell of sweat depends on your bacteria. Different types of bacteria produce different types of sweat odor. But there are also other things that can affect sweat smelling bad, such as eating unhealthy or strong food. Certain medications and hormonal changes can also affect the smell of sweat.

Be careful about hygiene if you feel that your sweat smells. Sweat smells almost nothing until it comes into contact with bacteria. Please wash yourself with a mild soap that does not dry out the skin. You can try shaving the hair in the armpits if you are bothered by the smell of sweat from there. Inadequate cleaning under the armpit means that you can still smell sweat even after a shower.

-Wash with soap and water, morning and night, and use deodorant in the morning. .
-Use deodorant that contains antiperspirant.
-Change to clean socks and underwear every day.
-Change between different shoes if your feet sweat a lot.
-Don’t wear too tight clothes if you sweat a lot under the arms.
-Use Ideal Underwear sweat-proof t-shirt to prevent sweat stains on your clothes.
-Our underwear prevents bad-smelling bacteria thanks to the natural antibacterial and odor-resistant properties of Hemp and Tencel.

The most common reason is that the sweat glands are very active. This means they produce more sweat. Then it is common to sweat a lot on the feet, hands and armpits. Some people may also sweat more from other areas or experience that they sweat more all over the body.

Excessive sweating can have several causes but the most common is overactive sweat glands. It is a condition called hyperhidrosis. If you have excessive sweating, you usually notice this by sweating a lot under the armpits, on the palms of the hands and under the feet.

In primary hyperhidrosis, most sweat is produced in the armpits, palms and soles of the feet. You may also experience excessive sweating of the face and abdomen. In secondary hyperhidrosis, sweating usually increases over the entire body.

-Aluminum chloride applied to dry skin.
-Syringe injections with botulinum toxin in the sweat glands..
-Anticholinergic drugs in tablet form.
-Microwaves that destroy the sweat glands in the armpits.
-Iontophoresis, which means you put your hands or feet in a water bath connected to a weak current.

It is not unusual that in high stress you get an adrenaline rush and the body’s survival instincts kick in and you start sweating and the skin becomes slippery and cold sweaty.

A housewife’s tip: Mix a paste of bicarbonate and water, smear the paste on the sweat stains. Leave on for 30 min. Wash the shirt as usual in the machine together with your other laundry.

If you change your mind or are not completely satisfied with an item, you can cancel or return your order without any particular reason from the day the order is placed up to and including 14 days after receiving the ordered package by notifying in writing and returning the item or simply by sending the item back. You must enter your name, address and other relevant information, e.g. order number, invoice number and name of the item in the message. We use the Swedish Consumer Agency’s form, it can be found here

We will refund such goods within max. 14 days from when we have received the return, provided that all goods are in reasonably good condition,

When exercising the right of withdrawal, you pay the return shipping. The item must be returned within 14 days from the date on which notice of the exercise of the right of withdrawal was given to IDEAL. The item must be sent well packaged in good condition. If the item is not returned in acceptable condition, IDEAL has the right to make a depreciation deduction.

When you cancel your purchase, IDEAL will refund the amount you paid for the item, including delivery costs. Exceptions apply to any additional delivery costs as a result of you choosing a different delivery method than the standard delivery offered by IDEAL. When part of an order is returned, the delivery cost is not refunded. From the amount to be refunded, IDEAL has the right to deduct an amount corresponding to the decrease in value of the item compared to the original value of the item, if and to the extent that such decrease in value is due to You having handled the item to a greater extent than is necessary to determine its properties or function.

Products that are in stock are usually delivered within the number of working days shown on the Website. The estimated delivery time for an order is stated in the order confirmation. In the event of delays, we will inform you and continue to monitor the order. You can cancel the order if the delivery is delayed for more than 30 days and the delay was not caused by you.

Depending on the shipping method, you may need to pick up the order from a specific delivery location. You must do so within the time specified on the delivery note. If you do not pick up the order on time, you may be charged a late fee and the order may be sent back to us at your expense. We can also cancel the order if you don’t pick it up on time.

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