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Size Guide

Worried about finding the right size? Check out our size guide below for more information. If you have any questions just let us know and we will guide you to the right fit. You can contact us at info@dagsmejan.com and if you like we will call you up to talk you through the process. If our sleepwear doesn't fit perfectly once you receive it you can always swap it for another size. 
Women
Men
CM
INCH
SIZE XS S M L XL 2XL
EU 34 36 38-40 42-44 46-48 50-52
Chest 78-84 85-91 92-98 99-105 106-114 115-121
Waist 61-67 68-74 75-81 82-88 89-97 98-107
Hip 85-91 92-98 99-105 106-112 113-121 122-128
Inseam 80 80 80 81 81 81
SIZE XS S M L XL 2XL
UK 6 8 10-12 14-16 18 20
US 2 4 6-8 10-12 14-16 18
Chest 30-33 33-35 36-38 38-41 41-44 45-47
Waist 24-26 26-29 29-31 32-34 35-38 38-42
Hip 33-35 36-38 38-41 41-44 44-47 48-50
Inseam 31.5 31.5 31.5 31.9 31.9 31.9
CM
INCH
SIZE S M L XL 2XL
EU 46 48-50 52 54-56 58
Chest 89-95 96-101 102-107 108-114 115-121
Waist 76-81 82-86 87-92 93-98 99-104
Hip 90-95 96-101 102-107 108-113 114-119
Inseam 80 81 82 83 84
SIZE S M L XL 2XL
UK 36 38-40 42 44-46 48
US 26 38-40 42 44-46 48
Chest 35-37 37-39 40-42 42-44 45-47
Waist 29-31 32-33 34-36 36-38 38-40
Hip 35-37 37-39 40-42 42-44 44-46
Inseam 31.5 31.9 32.2 32.6 33

SLEEP SHORTS MEN

NATTCOOL™ SLEEP TECH
$79.90 USD

Same as $0.21 USD a night for 365 nights

Rated 4.8 out of 5
376 Reviews

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.

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Color: Sage
Size:
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
  • Tagless design with flat, ergonomically placed seams
  • 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.

Sizing: The model is 189cm tall (6' 2") and wears size M

  • Width hip (M): 102cm (40.2") +/- 6cm (2.4") per size
  • Length inseam (M): 21cm (8.3") +/- 1cm (0.4") per size

Sleep better with cooling sleepwear

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

Not just a moisture wicking pajamas Dagsmejan's cooling sleepwear 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 376 reviews
  • 5 Stars
    316 Reviews
  • 4 Stars
    47 Reviews
  • 3 Stars
    10 Reviews
  • 2 Stars
    2 Reviews
  • 1 Star
    1 Review
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
376 Reviews
Reviewed by Mark, 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
  • temperature regulation
  • moisture management
Rated 5 out of 5
Review posted

Cool jamas

I was sceptical but these Dagsmejan pyjamas are great, they really do help alleviate the problem of night sweats.

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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 Nathan M., from United States
Verified Buyer
I recommend this product
My sleep type
I'm often warm and sometimes sweat
Age Range
25 - 34
Why did you buy Dagsmejan?
  • sleep better
  • comfort
  • natural material
  • temperature regulation
  • moisture management
Rated 5 out of 5
Review posted

The Best!

This is like the men's version of women's expensive silk lingerie - it's opulent, and feels incredibly luxurious against your skin. My husband loves it, and it does what it says - helps him sleep cool (he runs hot and sweaty at night). I've hardly had a chance to wash them because he's in them constantly, even taking to wearing them through the day when he's working from home! They're expensive, I know. Splurge. It's worth the price. They are amazing quality, and you can tell even from the packaging, the moment you open it - a top-notch product!

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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 Steve T., from United Kingdom
Verified Buyer
I recommend this product
My sleep type
I'm sometimes warm and sometimes cold
Age Range
55 - 64
Why did you buy Dagsmejan?
  • sleep better
  • temperature regulation
  • natural material
  • comfort
  • design
Rated 5 out of 5
Review posted

Great PJs

These are a great product. I thought they were expensive when I purchased them but having used them for a few weeks now they are definitely worth it, I recommend them.

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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 Herr Erik R., from Switzerland
Verified Buyer
I recommend this product
My sleep type
I'm often warm and sometimes sweat
Why did you buy Dagsmejan?
  • sleep better
  • temperature regulation
  • moisture management
Rated 5 out of 5
Review posted

The sleepwear lives up to the expectations

The pajamas keep me indeed cool and dry. Better than sleeping naked. I am a happy customer.

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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 Christian B., from Switzerland
Verified Buyer
I recommend this product
My sleep type
I'm often warm and sometimes sweat
Why did you buy Dagsmejan?
  • sustainable production
Rated 5 out of 5
Review posted

Very comfortable sleep shorts!

Very comfortable, almost as if the sleep shorts were not there ;-)

Very good quality!

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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 1 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