The coolest sleep comfort
NATTCOOL™ SLEEP TECH
Gift set short pajamas
Gift set short pajamas
$0.67 a night
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★★★★★ "My husband really likes the sleepwear, it is very cooling and feels very good on the skin." — Cornelia
The sleep benefits
The sleep benefits
Too hot to sleep? Then this set is your sleep aid for a cool, comfortable night.
- 8x more breathable than cotton
- Fast drying, dries in 1/3 of the time of cotton
- Superior moisture transport
The set includes: Stay cool sleep shorts, sleep t-shirt, sleep mask.
“Sleep, temperature and comfort are functionally linked. For a good night you need feel comfortable warm, not cold, nor hot. Dagsmejan Sleepwear implements two basic principle for a good night of sleep in one product: It helps you maintain the right temperature through the night and it fabric feels so comfortable that it is a
true pleasure and reward to wear.” — Dr. Roy Raymann, Sleep Neuroscientist and Ambulatory (Sleep) Technology expert, holding a PhD in Sleep &Thermoregulation
Testing protocol: Flat testing | Torso testing | Real-life wear testing
Details & care
Details & care
Details
- NATTCOOL™ fabric: 92% lyocell 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 on the inside
- Sleep mask: Padding 100% sustainable silk
Care
- Wash garment up to 40 degrees Celsius. Handwash sleep mask only. 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
Natural & sustainable
Natural & sustainable
NATTCOOL™ is made from eucalyptus trees and other cellulosic fibres. Wood and pulp used by Dagsmejan comes from natural forests and sustainably managed plantations. Eucalyptus needs 20 times less water than cotton and 5 times less high-quality farmland. Dagsmejan uses fibres from Lenzing, one of the most sustainable and ethical producers of any fibres worldwide.
- Eucalyptus fibres: Europe and Africa
- Sleep technology: Switzerland
- Knitting and dyeing of the fabric: Switzerland, Italy & Austria
- Garment making: Romania
- Certification: FSC
Fit & size
Fit & size
Sleep T-shirt:
- Semi-fitted
- Chest width (M): 102cm (3' 4″) +/- 6 cm (2.4″) per size
- Body length (M): 75cm (2' 5″) +/- 1 cm (0.4″) per size
Sleep Shorts:
- Semi-fitted
- Waistband width (M): 81cm (3' 4") +/- 6cm (2.4") per size
- Inleg seam length (M): 21cm (8") +/- 1cm (0.4") per size
Model information:
Free returns & comfort guarantee
Free returns & comfort guarantee
Sleep in your Dagsmejan sleepwear for up to 14 days, if you don't love it return it for a full refund. Free returns from the US, the UK, CH and the EU.
Free delivery for all orders above 150 USD.

Size Guide
| SIZE | XS | S | M | L | XL | 2XL |
| EU/DE/CH | 34-36 | 36-38 | 38-40 | 42-44 | 46 | 48 |
| Chest | 79.5-84.5 | 85.5-89.5 | 90.5-95 | 96-101 | 102-107 | 108-113 |
| Waist | 63.5-68.5 | 69.5-73.5 | 74.5-79 | 80-85 | 86-91 | 92-97 |
| Hip | 87.5-92.5 | 93.5-97.5 | 98.5-102.5 | 103.5-107.5 | 108.5-112.5 | 113.5-117.5 |
| Inleg length | 78 | 78 | 78 | 78 | 78 | 78 |
| SIZE | XS | S | M | L | XL | 2XL |
| US | 4-6 | 6-8 | 8-10 | 12-14 | 16 | 18 |
| UK | 8-10 | 10-12 | 12-14 | 16-18 | 20 | 22 |
| Chest | 31.3-33.3 | 33.7-35.2 | 35.6-37.4 | 37.8-39.8 | 40.2-42.1 | 42.5-44.5 |
| Waist | 25-27 | 27.4-28.9 | 29.3-31.1 | 31.5-33.5 | 33.9-35.8 | 36.2-38.2 |
| Hip | 34.4-36.4 | 36.8-38.4 | 38.8-40.4 | 40.7-42.3 | 42.7-44.3 | 44.7-46.3 |
| Inleg length | 30.7 | 30.7 | 30.7 | 30.7 | 30.7 | 30.7 |
| SIZE | S | M | L | XL | 2XL |
| EU/DE/CH | 46-48 | 50 | 52-54 | 56 | 58-60 |
| Chest | 91-97 | 98-103 | 104-109 | 110-115 | 116-121 |
| Waist | 80.5-85.5 | 86.5-90.5 | 91.5-96 | 97-102 | 103-108 |
| Hip | 94.5-99.5 | 100.5-104.5 | 105.5-109.5 | 110.5-114.5 | 115.5-119.5 |
| Inleg length | 82.5 | 83 | 83.5 | 84 | 84.5 |
| SIZE | S | M | L | XL | 2XL |
| US/UK | 36-38 | 40 | 42-44 | 46 | 48-50 |
| Chest | 35.8-38.2 | 38.6-40.6 | 40.9-42.9 | 43.3-45.3 | 45.7-47.6 |
| Waist | 31.7-33.7 | 34-35.6 | 36-37.8 | 38.2-40.2 | 40.6-42.5 |
| Hip | 37.2-39.2 | 39.6-41.1 | 41.5-43.1 | 43.5-45.1 | 45.5-47 |
| Inleg length | 32.5 | 32.7 | 32.9 | 33.1 | 33.3 |
Sleep better with men's cooling pajamas
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The coolest sleep comfort
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NATTCOOL™ Technology
NATTCOOL™ Technology
This fabric cools you down and keeps you dry through moisture evaporation and transport. With great moisture management and temperature regulating properties compared to other fibres such as cotton, bamboo and synthetic fabrics. No more night sweats with the best men's cooling pajamas!
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Cooling eucalyptus
Cooling eucalyptus
NATTCOOL™ fabric is based on Eucalyptus. Eucalyptus is nature's environmentally friendly high tech fibre. Requiring up to 20x less water and 5x less farm land than cotton. Sleep easy knowing that these super soft eucalyptus pajamas don't contribute to an adverse impact on the environment.
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Recommended by sleep experts
Recommended by sleep experts
"Thermoregulation is key for good sleep. To fall asleep and enjoy a deep, restorative sleep we need our body temperature to drop. I recommend Dagsmejan; their pajamas help us to cool down or warm up depending on our needs to sleep deeper for longer."
— Dr. Lutz Graumann
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The coolest sleep comfort
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 -
NATTCOOL™ Technology
This fabric cools you down and keeps you dry through moisture evaporation and transport. With great moisture management and temperature regulating properties compared to other fibres such as cotton, bamboo and synthetic fabrics. No more night sweats with the best men's cooling pajamas!
-
Cooling eucalyptus
NATTCOOL™ fabric is based on Eucalyptus. Eucalyptus is nature's environmentally friendly high tech fibre. Requiring up to 20x less water and 5x less farm land than cotton. Sleep easy knowing that these super soft eucalyptus pajamas don't contribute to an adverse impact on the environment.
-
Recommended by sleep experts
"Thermoregulation is key for good sleep. To fall asleep and enjoy a deep, restorative sleep we need our body temperature to drop. I recommend Dagsmejan; their pajamas help us to cool down or warm up depending on our needs to sleep deeper for longer."
— Dr. Lutz Graumann
SLEEP IN IT, LOVE IT OR RETURN IT
- DDaveVerified BuyerReviewingT-shirt — NATTCOOL™I recommend this productMy sleep type I'm sometimes warm and sometimes coldRated 5 out of 5 stars4 minutes agoSo comfortable
Cool to the touch it’s great if you sleep warm
Helps to regulate temperature and moisture?Rated 5.0 on a scale of 1 to 5I'm too warm/ cold/ sweaty I'm very comfortableHow is the sizing?Rated 0.0 on a scale of minus 2 to 2Runs small True to size Runs largeSleep comfort with Dagsmejan?Rated 4.0 on a scale of 1 to 5Poor ExcellentWas this helpful? - RFralph f.Verified BuyerReviewingGift set short pajamas — NATTCOOL™I recommend this productMy sleep type I'm often warm and sometimes sweatRated 5 out of 5 stars2 days agoHonestly the best pyjamas ever
I bought 3 sets. Impeccable quality and comfort
Helps to regulate temperature and moisture?Rated 5.0 on a scale of 1 to 5I'm too warm/ cold/ sweaty I'm very comfortableHow is the sizing?Rated 0.0 on a scale of minus 2 to 2Runs small True to size Runs largeSleep comfort with Dagsmejan?Rated 5.0 on a scale of 1 to 5Poor ExcellentWas this helpful? - CWCory W.Verified BuyerReviewingShorts — NATTCOOL™I recommend this productMy sleep type I'm often warm and sometimes sweatRated 5 out of 5 stars1 month agoSleep shorts
Most comfortable pair of sleep shorts I've ever had.
Helps to regulate temperature and moisture?Rated 5.0 on a scale of 1 to 5I'm too warm/ cold/ sweaty I'm very comfortableHow is the sizing?Rated 0.0 on a scale of minus 2 to 2Runs small True to size Runs largeSleep comfort with Dagsmejan?Rated 5.0 on a scale of 1 to 5Poor ExcellentWas this helpful? - KMKarl M.Verified BuyerReviewingShorts — NATTCOOL™I recommend this productMy sleep type I'm often warm and sometimes sweatRated 5 out of 5 stars1 month agoLight and Comfy
Very nice, light material. I hope it will last. The fit is a bit tighter than not, but very comfy.
Helps to regulate temperature and moisture?Rated 4.0 on a scale of 1 to 5I'm too warm/ cold/ sweaty I'm very comfortableHow is the sizing?Rated -1.0 on a scale of minus 2 to 2Runs small True to size Runs largeSleep comfort with Dagsmejan?Rated 4.0 on a scale of 1 to 5Poor ExcellentWas this helpful? - FDFrank D.Verified BuyerReviewingShorts — NATTCOOL™I do not recommend this productMy sleep type I'm often warm and sometimes sweatRated 1 out of 5 stars2 months agoWanted to love these but...
They were very comfortable but they only lasted 3 nights and ripped at the pockets.
Helps to regulate temperature and moisture?Rated 5.0 on a scale of 1 to 5I'm too warm/ cold/ sweaty I'm very comfortableHow is the sizing?Rated 0.0 on a scale of minus 2 to 2Runs small True to size Runs largeSleep comfort with Dagsmejan?Rated 5.0 on a scale of 1 to 5Poor ExcellentWas this helpful?