SLEEP SHORTS MEN

NATTCOOL™ SLEEP TECH
$89.90 USD

Same as $0.24 USD a night for 365 nights

Rated 4.8 out of 5
Based on 755 reviews
Color: Navy blue
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 garment
  • NATTCOOL™ fabric: 92% Microlyocell from eucalyptus and 8% Elastane/ Lycra

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

Models and sizing:

  • Width hip (M): 102cm (40.2") +/- 6cm (2.4") per size
  • Length inseam (M): 21cm (8.3") +/- 1cm (0.4") per size
  • Model in Sage and Navy Blue is 189cm tall (6' 2") and wears size M
  • Model in Coastal Blue is 172cm tall (5' 6") and wears size M

- Free delivery on all orders over 100 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 cooling pyjamas

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's cooling sleepwear for men works on two levels to provide unrivalled night comfort. The NATTCOOL™ fabric has been specially engineered to cool you down through gradual moisture evaporation and to keep 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. 

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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 755 reviews
  • 5 Stars
    645 Reviews
  • 4 Stars
    84 Reviews
  • 3 Stars
    17 Reviews
  • 2 Stars
    4 Reviews
  • 1 Star
    5 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
755 Reviews
Reviewed by Simon H., from United Kingdom
Verified Buyer
I recommend this product
My sleep type
I'm often warm and sometimes sweat
Age Range
55 - 64
Why did you buy Dagsmejan?
  • sleep better
  • natural material
  • sustainable production
  • temperature regulation
  • comfort
Rated 5 out of 5
Review posted

Best I have owned

These were a bit of a gamble, but so soft and comfortable, and at last a cool night. Price if very high, but is probably 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 Michael S., from United Kingdom
Verified Buyer
I recommend this product
My sleep type
I always have the right temperature
Age Range
55 - 64
Why did you buy Dagsmejan?
  • innovative
  • temperature regulation
  • moisture management
Rated 5 out of 5
Review posted

Sleepwear

I don’t feel like I am wearing anything, beautifully soft, best thing I’ve ever bought does exactly what it says

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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 Edward W., from United States
Verified Buyer
I recommend this product
My sleep type
I'm often warm and sometimes sweat
Age Range
45 - 54
Why did you buy Dagsmejan?
  • sleep better
  • temperature regulation
Rated 5 out of 5
Review posted

SLEEP SHORTS MEN—NATTCOOL™ SLEEP TECH

Great pajamas that keep you cool and help you sleep peacefully. I plan on buying more in the future.

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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 Jason N R., from United States
Verified Buyer
I recommend this product
My sleep type
I'm sometimes warm and sometimes cold
Age Range
35 - 44
Why did you buy Dagsmejan?
  • sleep better
  • comfort
  • design
  • temperature regulation
  • natural material
Rated 5 out of 5
Review posted

Super comfortable

I love this set. It is as light as air but for those that like to sleep with a T-shirt, still gives you that feel and regulates your temperature perfectly. Great look too.

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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 Donald W., from United States
Verified Buyer
I recommend this product
My sleep type
I'm sometimes warm and sometimes cold
Age Range
65+
Why did you buy Dagsmejan?
  • sleep better
  • innovative
  • natural material
  • temperature regulation
  • moisture management
Rated 5 out of 5
Review posted

Excellent

Best summer sleep shorts ever.

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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?

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