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NATTWARM™ SLEEP TECH

Long sleeve top

Long sleeve top

4.9
Rated 4.9 out of 5 stars
1,991 Reviews
$109.90
$0.00 $109.90

$0.30 a night

4x more breathable
2x softer
50% lighter warmth
Color: Emerald
Size
4x more breathable
2x softer
50% lighter warmth
Size guide
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This lightweight, breathable merino wool pajama top will keep you comfortably warm without ever overheating.

The sleep benefits

Sleep better by staying comfortably warm without ever overheating. Experience the luxurious sleep comfort of nature's finest performance fibres.

  • 4x more breathable than cotton
  • With superior moisture transport, merino wool can absorb up to 35% of it's weight in moisture
  • Anti-bacterial and anti-smell

Product details & care

Details

  • NATTWARM™ fabric: 38% merino wool, 56% Lyocell from eucalyptus and 6% elastane/ spandex makes this the best thermal mens pajamas
  • 100% traceable, mulesing-free NATIVA™ merino wool
  • Cosy over-thumb sleeves and raglan sleeve for a natural range of movement
  • Flat ergonomic seams and slightly front placed side seams mean that you have a minimum of friction at night
  • Tagless design, all care instructions are printed in the stay warm pajamas for men

Care

  • Wash your merino sleepwear in up to 30 degrees Celsius. Do not tumble dry. Do not bleach
  • You can also find the care instructions printed on the inside of your garment
  • Learn to care for super-fine natural fibres in our care guide

Natural & sustainable

NATTWARM™ fabric is made of a blend of nature’s
performance fibres, that give you the ultimate breathable, warm sleepwear. Eucalyptus fibres for breathable softness. Luxury merino wool
for comfort and warmth. We use NATIVA™ 100% traceable, mulesing-free merino wool from certified farms in Uruguay. 

  • Merino wool: Uruguay
  • Eucalyptus fibres: Europe and Asia
  • Sleep technology: Switzerland
  • Spinning of the yarn: Austria
  • Knitting and dyeing of the fabric: Lithuania
  • Garment making: Lithuania

Read more about Stay Warm

Fit & size

Fit:

  • Semi-fitted
  • Chest width (M): 100 cm (3' 3″) +/- 6 cm (2.4″) per size
  • Body length (M): 75 cm (2' 5″) +/- 1 cm (0.4″) per size

Model information:

  • Ben in Blue Melange and Winter night melange is 184cm tall (6') and wears size M
  • Alex in Dark grey melange, Black and Emerald is 185 cm tall (6' 1") and wears size M
  • Christoph in Chocolate melange is 184cm (5′ 12”) and wears size M

Free returns & comfort guarantee

Sleep in your Dagsmejan sleepwear for up to 14 days, if you don't love it return it for a full refund. Free returns from the US, the UK and the EU.

Free delivery for all orders above 150 USD.

View full details

Sleep better with men's merino pajamas

  • Breathable, featherlight warmth

    Breathable, featherlight warmth

    Breathable, featherlight warmth

    Want to stay warm without ever overheating? Discover what the most comfortable merino pajamas for men can do for your sleep comfort.

    - 50% lighter warmth than other thermal sleepwear
    - 4x more breathable than cotton
    - 2x softer than cotton

    Read more

  • NATTWARM™ Technology

    NATTWARM™ Technology

    NATTWARM™ Technology

    The NATTWARM™ fabric offers ultra light warmth. Against fabrics such as cotton and bamboo, NATTWARM™ is more warming than textiles up to 50% heavier. Studies show that we can sleep up to 15 minutes longer with merino sleepwear by falling asleep faster and enjoying a deeper sleep.

    Read more

  • Luxurious blend of merino wool and eucalyptus

    Luxurious blend of merino wool and eucalyptus

    Luxurious blend of merino wool and eucalyptus

    NATTWARM™ is made of a blend of performance fibres, that give you breathable, warm sleepwear. Eucalyptus fibres for softness and merino for comfortable warmth. We use NATIVA™ 100% traceable, mulesing-free merino wool from certified farms in Uruguay. 

    Read more

  • Developed with our experts

    Developed with our experts

    Developed with our experts

    "Body temperature and sleep are inseparably linked, the right temperature is essential for good sleep. Dagsmejan’s sleepwear support the nightly changes in body temperature and thereby naturally improve sleep."

    - Dr. Christine Blume, Sleep Researcher

    Read more

  • Breathable, featherlight warmth

    Want to stay warm without ever overheating? Discover what the most comfortable merino pajamas for men can do for your sleep comfort.

    - 50% lighter warmth than other thermal sleepwear
    - 4x more breathable than cotton
    - 2x softer than cotton

    Read more

  • NATTWARM™ Technology

    The NATTWARM™ fabric offers ultra light warmth. Against fabrics such as cotton and bamboo, NATTWARM™ is more warming than textiles up to 50% heavier. Studies show that we can sleep up to 15 minutes longer with merino sleepwear by falling asleep faster and enjoying a deeper sleep.

    Read more

  • Luxurious blend of merino wool and eucalyptus

    NATTWARM™ is made of a blend of performance fibres, that give you breathable, warm sleepwear. Eucalyptus fibres for softness and merino for comfortable warmth. We use NATIVA™ 100% traceable, mulesing-free merino wool from certified farms in Uruguay. 

    Read more

  • Developed with our experts

    "Body temperature and sleep are inseparably linked, the right temperature is essential for good sleep. Dagsmejan’s sleepwear support the nightly changes in body temperature and thereby naturally improve sleep."

    - Dr. Christine Blume, Sleep Researcher

    Read more

4.9
Rated 4.9 out of 5 stars
Based on 1,991 reviews
Total 5 star reviews: 1.8k Total 4 star reviews: 186 Total 3 star reviews: 27 Total 2 star reviews: 7 Total 1 star reviews: 8
98%would recommend these products
Sleep comfort with Dagsmejan?Rated 4.8 on a scale of 1 to 5
Helps to regulate temperature and moisture?Rated 4.7 on a scale of 1 to 5
How is the sizing?Rated 0.1 on a scale of minus 2 to 2
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1,991 reviews
  • AH
    Anne H.
    Flag of United States
    Verified Buyer
    Pants cuff — NATTWARM™
    Reviewing
    Pants cuff — NATTWARM™
    I recommend this product
    My sleep type I'm sometimes warm and sometimes cold
    Rated 5 out of 5 stars
    40 minutes ago
    Recent order for my husband

    He loves his sleepwear. It feels so good. Absorbs night sweats beautifully

    Sleep comfort with Dagsmejan?Rated 5.0 on a scale of 1 to 5
    Helps to regulate temperature and moisture?Rated 5.0 on a scale of 1 to 5
    How is the sizing?Rated 0.0 on a scale of minus 2 to 2
    Was this helpful?
  • J
    Joseph
    Long sleeve top — NATTWARM™
    Reviewing
    Long sleeve top — NATTWARM™
    I recommend this product
    Rated 5 out of 5 stars
    3 weeks ago
    5 Stars

    If you want it baggy, size true. I'd probably go with small trousers, medium shirt if I was to reorder

    Was this helpful?
  • CL
    Chris L.
    Flag of United Kingdom
    Verified Buyer
    Pants cuff — NATTWARM™
    Reviewing
    Pants cuff — NATTWARM™
    I recommend this product
    My sleep type I'm sometimes warm and sometimes cold
    Rated 5 out of 5 stars
    1 month ago
    perfect comfort and temperature

    High quality material and manufacture that has allowed me to sleep well. Motirhome sleeping in Autumn has been a delight with these. They also look good and feel great on the skin

    Sleep comfort with Dagsmejan?Rated 5.0 on a scale of 1 to 5
    Helps to regulate temperature and moisture?Rated 5.0 on a scale of 1 to 5
    How is the sizing?Rated 0.0 on a scale of minus 2 to 2
    Was this helpful?
    D Profile picture for Dagsmejan
    Dagsmejan
    1 month ago

    Dear Chris,
    Thank you for your review.
    We are so happy that you are so satisfied with our products. It is always highly encouraging for us when our customers enjoy our products so much. We hope to welcome you back soon. - your Dagsmejan team

  • KA
    Ken A.
    Flag of United States
    Verified Buyer
    T-shirt — NATTWARM™
    Reviewing
    T-shirt — NATTWARM™
    I recommend this product
    My sleep type I'm sometimes warm and sometimes cold
    Rated 5 out of 5 stars
    1 month ago
    review

    nice material

    Sleep comfort with Dagsmejan?Rated 5.0 on a scale of 1 to 5
    Helps to regulate temperature and moisture?Rated 5.0 on a scale of 1 to 5
    How is the sizing?Rated 0.0 on a scale of minus 2 to 2
    Was this helpful?
  • EL
    Eleanor L.
    Flag of United Kingdom
    Verified Buyer
    T-shirt — NATTWARM™
    Reviewing
    T-shirt — NATTWARM™
    I recommend this product
    My sleep type I'm often warm and sometimes sweat
    Rated 5 out of 5 stars
    2 months ago
    great sleepwear

    Excellent fit, lovely material

    Sleep comfort with Dagsmejan?Rated 5.0 on a scale of 1 to 5
    Helps to regulate temperature and moisture?Rated 5.0 on a scale of 1 to 5
    How is the sizing?Rated -1.0 on a scale of minus 2 to 2
    Was this helpful?
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