Buy 3 or more shirts and get a -15% discount and free transport within the EU


A high-quality undershirt should not be underestimated - it may just be one of the most important elements in your everyday clothing!

Sustainably produced and 100% biodegradable

Incredibly soft and well-breathable

Keeps you fresh and   your clothing dry

Absorbs moisture nearly 50% better than cotton

Neutralises unpleasant body odor

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  • Our story

    Hidddn is a Dutch – Estonian company, founded in 2016. We started it because we couldn’t find an undershirt that would help to avoid the sweat stains and unpleasant smell. We wanted to make a truly luxurious undershirt, that feels like your second skin and is ’’invisible’’ under your clothing. An undershirt that keeps you fresh through the day and makes you feel confident.

    We knew an undershirt with exceptional qualities can only be made of MicroModal.

    Hidddn premium undershirts are produced in Estonia and the material only comes from EU – this allows us to ensure impeccable quality. This way we can also make sure that the whole process is sustainable, from raw material to the shirt you love wearing every day. We go through every single detail, so your Hidddn undershirt would fit and feel perfectly!


    MicroModal is a sustainable fiber derived from beech trees, which are more resilient than many other textiles. Therefore, MicroModal holds its shape well, especially when it’s blended with a small amount of elastane. It is known for its unparalleled softness and feels truly “cool” and light against the body.


    When choosing the undershirt, you are most likely to be encountering two fabrics: MicroModal and Cotton.
    MicroModal is a much thinner fabric than cotton, therefore it absorbs moisture nearly 50% better and is incredibly breathable. Unlike cotton, MicroModal is also very good at neutralising the unpleasant body odour .
    Your undershirt will look better longer, and you will stay fresher and drier than if you go with a cotton undershirt. You simply enjoy wearing your MicroModal undershirt much more!

    Our Team

    We are the founders of Hidddn. From the left Mihkel and Jelmer.

    Environmentally friendly

    The origin of MicroModal goes back to Austria, which is the home for a natural and sustainable source of raw material – beech trees. You can always be sure MicroModal is produced in Europe, where the beech trees grow.

    MicroModal is produced by using the innovative fibre technology, where the cellulose is extracted from indigenous woods and used for the manufacturing. The quality and environmentally friendly production are guaranteed through the control of the whole process – from wood to fibre.

    The closed production circuit ensures there are no chemicals released into the environment. Innovative processes implemented in the manufacturing, allow to reuse up to 95% of the production materials.

    The process is PEFC & FSC certified and in compliant with the rules of European Union Eco-label.

    How to take care of your Hidddn?

    MicroModal is truly resilient: it will keep its shape, colour and size after countless washing. However, to keep your undershirt at its finest, we advise to wash it with 30⁰ which is absolutely enough and also better for the environment. Most importantly, this helps you keep the best qualities of MicroModal. With each order we will give you a laundry bag – using that while washing is a clever tip to keep your shirt looking good for a longer time. 

    Please do not iron your Hidddn MicroModal undershirt – you simply don’t need that and will likely ruin the fabric instead. Hidddn MicroModal premium undershirt is 100% biodegradable.

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