Long sleeve top

NATTCOOL™ SLEEP TECH
$74.93 USD $99.90 USD

Same as $0.20 USD a night for 365 nights

Rated 4.8 out of 5
Based on 2848 reviews
Color: Navy blue
Size:

Smooth and featherlight this cooling pajamas top is 8x more breathable than cotton and twice as soft. With the cooling power of NATTCOOL™ you can keep the best temperature for sleep whilst being enveloped by soft smoothness.

Size Guide Ruler

Details

  • NATTCOOL™ fabric: 92% Microlyocell from eucalyptus and 8% Elastane/ Lycra
  • 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 pajamas

Care

  • Wash 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
  • Learn to care for super-fine natural fibres in our care guide

- 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 women's cooling sleepwear

The coolest sleep comfort

Light, breathable cooling pajamas

Stay cool all night with Dagsmejan's cooling pajamas for women —Softer than silk, cooler than linen and better moisture management than cotton.  

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

READ MORE

NATTCOOL™ TECHNOLOGY

The best cooling pajamas for women

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 temperature regulating properties compared to other natural fibres such as cotton and bamboo as well as synthetic fabrics. So you don't need to worry about night sweats even when the temperature rises. That's what makes it the best cooling nightwear for women!

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 that this super soft eucalyptus pajamas also don't contribute to an adverse impact on the environment.

Find out more about the journey from fibre to sleep. 

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 2848 reviews
  • 5 Stars
    2447 Reviews
  • 4 Stars
    323 Reviews
  • 3 Stars
    59 Reviews
  • 2 Stars
    11 Reviews
  • 1 Star
    8 Reviews
98% of reviewers would recommend this product to a friend
2848 Reviews
Reviewed by Carol P.
Verified Buyer
I recommend this product
My sleep type
I'm sometimes warm and sometimes cold
Rated 5 out of 5
Review posted

Natt cool t-shirt

Beautiful color fit is perfect wonderful soft material

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 Rod H.
Verified Buyer
I recommend this product
My sleep type
I'm often warm and sometimes sweat
Rated 5 out of 5
Review posted

My wife loves it

Bought it for my wife and she loves it!

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 Barbara A.
Verified Buyer
I recommend this product
My sleep type
I'm often warm and sometimes sweat
Rated 5 out of 5
Review posted

Wonderful

This slip dress is amazing, I have another one from 6 years ago that was finally showing some wear so I bought the Nattcool sleep. Makes warm nights cool.

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

Best for sleeping

Great material and very 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 Lisa H.
Verified Buyer
Night dress —NATTCOOL™ SLEEP TECH
Reviewing
Night dress —NATTCOOL™ SLEEP TECH
I recommend this product
My sleep type
I'm often warm and sometimes sweat
Rated 5 out of 5
Review posted

Perfect

My go to for comfort and great sleep

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