Shorts

NATTCOOL™ SLEEP TECH
$95.90 USD

Same as $0.26 USD a night for 365 nights

Rated 4.8 out of 5
Based on 1520 reviews
Color: Arctic summer
Size:

Cooling you down for the most restorative sleep, these lightweight men's cooling pajamas shorts are 8x more breathable than cotton and dry in 1/3 of the time. Keep the best temperature for sleep and sleep cool with Dagsmejan.

Size Guide Ruler
  • Cooling pajamas shorts, 8x more breathable than cotton
  • Superior moisture transport, dries in 1/3 of the time of cotton 
  • Comfort waistband and flat functional pockets
  • 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 cooling sleep shorts
  • NATTCOOL™ fabric: 92% Microlyocell from eucalyptus and 8% Elastane/ Lycra

Wash your cooling sleep shorts in up to 40 degrees Celsius. Do not tumble dry. Do not bleach.

Models and sizing:

  • Width hip (M): 102cm (3' 4") +/- 6cm (2.4") per size
  • Length inseam (M): 21cm (8") +/- 1cm (0.4") per size
  • Model Dave in Sage is 189cm tall (6' 2") and wears size M
  • Model Sebastien in others is 183cm (6′) and wears size M

- Free delivery on all orders over 150 USD
- Easy returns, free of charge from the US and Europe (including the UK)
- 14 days sleep comfort guarantee. Sleep in it, if you don't like it you can send it back without any cost!

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Sleep better with men's cooling pajamas

The coolest sleep comfort

Light, breathable men's cooling pajamas

Stay cool all night, every night with Dagsmejan's cooling pajamas for men. 

8x more breathable than cotton 
- Dries in 1/3 of the time of cotton
- Releases water vapour 60% better than cotton

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NATTCOOL™ TECHNOLOGY

THE ULTIMATE COOLING SLEEP AID

Dagsmejan is the best men's pajamas for hot sleepers thanks to NATTCOOL™ technology. Working on two levels to provide unrivalled night comfort: cooling you down through gradual moisture evaporation and keeping you dry through exceptional moisture transport. NATTCOOL™ has shown exceptional moisture management and breathability compared to other natural fibres such as cotton and bamboo as well as synthetic fabrics. That's what makes it the best men's cooling pajamas!

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COOLING EUCALYPTUS FOR A BETTER SLEEP

SUSTAINABLY AND ETHICALLY MADE IN EUROPE

NATTCOOL™ fabric is based on Microlyocell a natural micro fibre from Eucalyptus. Microlyocell truly is nature's high tech fibre; it's cooler than linen, it’s better than cotton at moisture management and even softer than silk. It’s also a fibre that is exceptionally environmentally friendly, so you can sleep easy knowing this cooling sleepwear isn't contributing to an adverse impact on the environment.

Find out more about the journey from fibre to sleep of the best cooling pajamas for guys.

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DEVELOPED WITH OUR EXPERTS

RESEARCH BASED, SCIENTIFICALLY PROVEN

"Thermoregulation is key for a good night's sleep. To fall asleep and to enjoy a deep, restorative sleep we need for our core body temperature to drop. That is why I recommend sleepwear by Dagsmejan; they help us to cool down or warm up depending on our needs so that we can sleep deeper for longer."

Lutz Graumann, Phd & specialist in sports medicine, nutrition and chirotherapy

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Sleep comfort guarantee

sleep in it, love it or return it

Sleep in your Dagsmejan cooling sleepwear for up to 2 weeks, if you don’t love it you can return it for a full refund. A good night’s sleep is risk-free with Dagsmejan.

Product Reviews
average rating 4.8 out of 5
Based on 1520 reviews
  • 5 Stars
    1317 Reviews
  • 4 Stars
    170 Reviews
  • 3 Stars
    23 Reviews
  • 2 Stars
    4 Reviews
  • 1 Star
    6 Reviews
98% of reviewers would recommend this product to a friend
Sleep comfort with Dagsmejan?
Rated 4 out of 5
Helps to regulate temperature and moisture?
Rated 4 out of 5
How is the sizing?
Rated 0 on a scale of minus 2 to 2, where minus 2 is Runs small, 0 is True to size and 2 is Runs large
1520 Reviews
Reviewed by Jacy R.
Verified Buyer
I recommend this product
My sleep type
I'm often cold
Rated 5 out of 5
Review posted

New sleepwear

My husband is very pleased with his new shirts to keep him cool. Will purchase more also!

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Sleep comfort with Dagsmejan?
Rated 5 out of 5
Helps to regulate temperature and moisture?
Rated 5 out of 5
How is the sizing?
Rated 0 on a scale of minus 2 to 2, where minus 2 is Runs small, 0 is True to size and 2 is Runs large
Was this helpful?
Reviewed by Gwen F.
Verified Buyer
I recommend this product
My sleep type
I'm often warm and sometimes sweat
Rated 5 out of 5
Review posted

Very comfortable

They fit well and seem to help me keep cooler during the night.

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Sleep comfort with Dagsmejan?
Rated 4 out of 5
Helps to regulate temperature and moisture?
Rated 4 out of 5
How is the sizing?
Rated 0 on a scale of minus 2 to 2, where minus 2 is Runs small, 0 is True to size and 2 is Runs large
Was this helpful?
Reviewed by Craig W.
Verified Buyer
I recommend this product
My sleep type
I always have the right temperature
Rated 5 out of 5
Review posted

Great PJ's

Very comfortable and cool. Expensive but worth it.

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Sleep comfort with Dagsmejan?
Rated 5 out of 5
Helps to regulate temperature and moisture?
Rated 5 out of 5
How is the sizing?
Rated 0 on a scale of minus 2 to 2, where minus 2 is Runs small, 0 is True to size and 2 is Runs large
Was this helpful?
Reviewed by Laura G., from Germany
Verified Buyer
Tank top —NATTCOOL™ SLEEP TECH
Reviewing
Tank top —NATTCOOL™ SLEEP TECH
I recommend this product
My sleep type
I'm sometimes warm and sometimes cold
Rated 5 out of 5
Review posted

Simply Super

Very comfortable sleep, no more sweating.

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Sleep comfort with Dagsmejan?
Rated 5 out of 5
Helps to regulate temperature and moisture?
Rated 4 out of 5
How is the sizing?
Rated 0 on a scale of minus 2 to 2, where minus 2 is Runs small, 0 is True to size and 2 is Runs large
Was this helpful?
Reviewed by Edith M., from Austria
Verified Buyer
I recommend this product
My sleep type
I'm often warm and sometimes sweat
Rated 5 out of 5
Review posted

Likes

Supet

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Sleep comfort with Dagsmejan?
Rated 5 out of 5
Helps to regulate temperature and moisture?
Rated 4 out of 5
How is the sizing?
Rated 0 on a scale of minus 2 to 2, where minus 2 is Runs small, 0 is True to size and 2 is Runs large
Was this helpful?

Product FAQ

How long does the benefits of the Stay cool sleepwear last?

The benefits of the Stay cool sleepwear are permanent and won’t wash away. So you can sleep easy not only tonight but for many more nights to come with your summer pajamas.

How have the benefits of Dagsmejan cooling sleepwear been confirmed in testing?

Independent testing has proven the unique benefits of NATTCOOL™ fabric, this include flat testing and torso testing by EMPA, a Swiss federal institution for innovation in materials & science.

What natural fibres do you use in your cooling sleepwear?

NATTCOOL™ fabric: 92% Microlyocell from eucalyptus and 8% Elastane

How can wash and care for my cooling pajamas?

Wash your cooling nightwear in up to 40 degrees Celsius. Do not tumble dry. Do not bleach. Do not dry clean.

You can also find the care instructions printed on the inside of your garment.

How can I find the right size for me?

Check out our size guide and if you have any questions you can always contact us at info@dagsmejan.com