Sleep boxers

NATTCOOL™ SLEEP TECH
$69.90 USD

Same as $0.19 USD a night for 365 nights

Rated 4.8 out of 5
Based on 1517 reviews
Color: Nautical stripes
Size:

Too hot to sleep? Dagsmejan’s cooling sleepwear is 8x more breathable than cotton and dries in 1/3 of the time. This sleep boxer is engineered to provide the lighest, smoothest cooling comfort in a totally natural and sustainable way.

Size Guide Ruler
  • Superior moisture transport, dries in 1/3 of the time of cotton
  • 8x more breathable than cotton—the best cooling sleep boxers
  • 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 sleeping boxers
  • NATTCOOL™ fabric: 92% Microlyocell from eucalyptus and 8% Elastane/ Lycra 

Wash your boxers for sleep  in up to 40 degrees Celsius. Do not tumble dry. Do not bleach.

Models and sizing: 

  • Sebastien in Fine lines, Nautical stripes and White is 183cm (6′) and wears size M
  • The model in others is 172cm tall (5' 9") 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!

Read more

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

READ MORE

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!

READ MORE

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.

READ MORE

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

READ MORE

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 1517 reviews
  • 5 Stars
    1314 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
1517 Reviews
Reviewed by Laura G., from Germany
Verified Buyer
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.

Loading...
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

Loading...
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 Colette W., from Switzerland
Verified Buyer
I recommend this product
My sleep type
I'm often warm and sometimes sweat
Age Range
Under 24
Rated 5 out of 5
Review posted

Pants

Megagood

Loading...
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 Colette W., from Switzerland
Verified Buyer
I recommend this product
My sleep type
I'm often warm and sometimes sweat
Age Range
Under 24
Rated 5 out of 5
Review posted

T-Shirt

Mega comfortable

Loading...
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 Christiane S., from Germany
Verified Buyer
I recommend this product
My sleep type
I'm often warm and sometimes sweat
Rated 5 out of 5
Review posted

Tank top

Material very good, fit great

Loading...
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