Merino Wool Thermal Underwear Karita

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Merino wool thermal underwear is one of the best purchases for autumn and winter! Merino base layer enables you to wear the clothes you love in chilly weather and will definitely keep you warm in tough conditions. After all, the product has been tested in Finland!

Natural materials are good for sensitive and even atopic skin being breathable and comfortable.  Wool absorbs moisture without feeling wet. Therefore, it is an excellent material for activewear and underwear, etc.

The pants are high-waisted without a side seam. Designed to fit persons with long torso as well!

These measures are taken of the pattern. The fabric is very flexible, so we recommend choosing even a size smaller than usual in case you want the clothing to be tighter and hugging.

Produced by Myllymuksut Oy



Length neck-hem

inside length


XS 78 cm  61 cm  75 cm 56 cm
S 83 cm  63 cm  76.5 cm 62 cm
M 88 cm  64 cm  78 cm 68 cm
L 97 cm  65.5 cm  80 cm 74 cm
XL 104 cm  67 cm  81.5 cm 80 cm
XXL 115 cm  68 cm  83.5 cm 86 cm
XXXL 125 cm  69 cm  83.5 cm 92 cm


Miisa Asikainen has taken us the picture where she is wearing size XXL. 


  • 100% wool (merino)

Hand wash or machine wash with wool program 30°C, do not tumble dry. Use only wool safe detergents.

Please consider the right care of your wool garments:

Merino wool is by nature antibacterial, it is self cleaning.  Air frequently, wash only when needed. Use wool washing agent or olive oil soap. Wash wool preferably by hand in lukewarm water or with a washing machine’s wool wash program, max. 40?C. Soft spin, do not tumble dry.Shape whilst damp and dry flat on a towel.

Do not dry wool in direct sunlight or close to a heating source.For protection against moths store wool clothing in a sealed plastic bag when not being used. When needed we recommend treating wool garments with wool conditioner to preserve its softness and ability to absorb moisture.