The coolest sleep comfort
NATTCOOL™ SLEEP TECH
Short sleeve top
Short sleeve top
$0.32 a night
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Sleep cool and feel your best with this cooling pajamas top.
The sleep benefits
The sleep benefits
Do you sleep hot? Stay cool and comfortable every night with this women’s cooling pajama top:
- Features superior moisture-wicking, drying three times faster than cotton
- 8x more breathable than cotton
- Twice as soft as cotton
“This sleepwear is a game-changer! As a Sleep & Health Coach for women, I often see my clients struggle with night sweats or waking up feeling warm. I myself struggle with this as well from time mot time. The nightwear is incredibly lightweight and soft; you barely feel that you are wearing something. They stay in place, and they help you maintain your ideal temperature while you sleep. My go-to choice of sleepwear." — Annika Carroll, Women’s Sleep & Health Coach, FDN-P
Testing protocol: Flat testing | Torso testing | Real-life wear testing
Product details & care
Product details & care
Details
- NATTCOOL™ fabric: 93% lyocell and 7% elastane/ lycra
- A minimum of friction at night thanks to the flat ergonomic seams and slightly front placed side seams
- Tagless design, all care instructions are printed in the cooling pajamas top for women
Care
- Wash up to 40 degrees Celsius. Do not tumble dry. Do not bleach. Do not dry clean
- Care instructions are printed on the inside of your women's cooling pajamas top
- Find out how to care for super-fine natural fibres in our care guide
Natural & sustainable
Natural & sustainable
NATTCOOL™ is crafted from eucalyptus trees and other cellulosic fibers. The wood and pulp used by Dagsmejan are sourced from natural forests and sustainably managed plantations. Eucalyptus requires 20 times less water than cotton and five times less high-quality farmland. Dagsmejan partners with Lenzing, one of the most sustainable and ethical fiber producers globally.
- 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
Fit:
- Loose-fitted
- Chest width (S): 102 cm (40.2″) +/- 5 cm (2″) per size for XS - M, +/- 6 cm (2.4″) per size for L - XXL
- Body length (S): 65 cm (25.6″) +/- 1 cm (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.
Free gift packaging for all orders above 80USD, simply select the "Dagsmejan premium box" at checkout.

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 women's cooling pajamas
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The coolest sleep comfort
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NATTCOOL™ Technology
NATTCOOL™ Technology
Cool down and stay dry through moisture evaporation & transport. With exceptional moisture management and temperature regulating properties compared to other fibres such as cotton, bamboo and synthetic fabrics. No more night sweats with the best women's cooling pajamas!
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Cooling eucalyptus
Cooling eucalyptus
NATTCOOL™ fabric is based on Eucalyptus — an 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 with our cooling women's pajamas —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 -
NATTCOOL™ Technology
Cool down and stay dry through moisture evaporation & transport. With exceptional moisture management and temperature regulating properties compared to other fibres such as cotton, bamboo and synthetic fabrics. No more night sweats with the best women's cooling pajamas!
-
Cooling eucalyptus
NATTCOOL™ fabric is based on Eucalyptus — an 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
- CYCindy Y.Verified BuyerReviewingShort sleeve top — NATTCOOL™I recommend this productMy sleep type I'm often warm and sometimes sweatRated 5 out of 5 stars12 seconds agoThe best PJS!
so soft, so cooling, and not seams or tags to irritate my sensitive skin. Thank you for making such a great product! Would love to see more fabric patterns to choose from.
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? - LELynne E.Verified BuyerReviewingShort sleeve top — NATTCOOL™I recommend this productMy sleep type I'm sometimes warm and sometimes coldRated 5 out of 5 stars3 months agoNice enough to wear out
worn round the house during hot weather. Makes excellent day wear
Sleep comfort with Dagsmejan?Rated 5.0 on a scale of 1 to 5Poor ExcellentHelps 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 largeWas this helpful? - DTDoris T.Verified BuyerReviewingShort sleeve top — NATTCOOL™I recommend this productMy sleep type I'm sometimes warm and sometimes coldRated 5 out of 5 stars4 months agoAs always – simply great!
Airy and light, perfect for summer! Colorful - simply super 🤗 We don't have any other pajamas in our household anymore, neither for women nor men 😊
Sleep comfort with Dagsmejan?Rated 5.0 on a scale of 1 to 5Poor ExcellentHelps 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 largeWas this helpful? - GSGerda S.Verified BuyerReviewingShort sleeve top — NATTCOOL™I recommend this productMy sleep type I'm sometimes warm and sometimes coldRated 5 out of 5 stars4 months agoTo sleep well
In this heat, it's ideal for wearing something super light.
Sleep comfort with Dagsmejan?Rated 5.0 on a scale of 1 to 5Poor ExcellentHelps 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 largeWas this helpful? - CBChristina B.Verified BuyerReviewingShort sleeve top — NATTCOOL™I recommend this productMy sleep type I'm sometimes warm and sometimes coldRated 5 out of 5 stars4 months agoShort-sleeved top
Wonderfully comfortable and cool on the skin. Great on warm summer days
Sleep comfort with Dagsmejan?Rated 5.0 on a scale of 1 to 5Poor ExcellentHelps 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 largeWas this helpful?