Breathable, featherlight warmth
NATTWARM™ SLEEP TECH
Pants cuff
Pants cuff
£0.32 a night
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Be embraced by soft, featherlight warmth with these merino pyjama pants featuring a wide comfort waistband, built-in gusset, and soft hem cuffs.
The sleep benefits
The sleep benefits
Get your best sleep with merino wool; you stay comfortably warm without ever overheating with lightweight merino wool pyjama pants.
- 4x more breathable than cotton you can enjoy the same warmth as other sleepwear up to 50% heavier
- With superior moisture transport, merino wool can absorb and release 2x the moisture vapour of cotton and 30x that of synthetic sleepwear
- Anti-bacterial and anti-smel
Product details & care
Product details & care
Details
- NATTWARM™ fabric: 38% merino wool, 56% Lyocell from eucalyptus and 6% elastane/ spandex
- 100% traceable, mulesing-free NATIVA™ merino wool
- Built-in gusset to prevent the merino pyjama pants from riding up
- 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 inside the wool pyjama pants
Care
- Wash your merino sleepwear in up to 30 degrees Celsius. Do not tumble dry. Do not bleach
- 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
NATTWARM™ fabric is made of a blend of nature’s
performance fibres, that give you the ultimate breathable, cozy warm pajama pants. Eucalyptus fibres for breathable softness. Luxury merino wool for comfort and warmth. We use NATIVA™ 100% traceable, mulesing-free merino wool from certified farms in Uruguay.
- Merino wool: Uruguay
- Eucalyptus fibres: Europe and Asia
- Sleep technology: Switzerland
- Spinning of the yarn: Austria
- Knitting and dyeing of the fabric: Lithuania
- Garment making: Lithuania
- Certification: NATIVA™
Fit & size
Fit & size
- Semi-fitted /fitted
- Waistband width (S): 72 cm (2’ 4″) +/- 6 cm (2.4″) per size
- Inleg seam length (S): 75.5 cm (2’ 5″) +/- 0.5 cm (0.2″) per size
Models:
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 GBP.
Free gift packaging for all orders above 80 GBP, simply select "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 |
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Breathable, featherlight warmth
-
NATTWARM™ Technology
NATTWARM™ Technology
NATTWARM™ fabric has been engineered to offer ultra light warmth. Tested against fabrics such as cotton, bamboo, and synthetics, NATTWARM™ is more warming than textiles up to 50% heavier making it ideal as merino wool sleepwear for women.
-
Luxurious blend of merino wool and eucalyptus
Luxurious blend of merino wool and eucalyptus
NATTWARM™ fabric is made of a blend of performance fibres; eucalyptus fibres for breathable softness and luxury merino wool for comfort and warmth. We use NATIVA™ 100% traceable, mulesing-free merino wool from certified farms in Uruguay.
-
Recommended by sleep experts
Recommended by sleep experts
"Body temperature and sleep are inseparably linked, the right temperature is essential for good sleep. Dagsmejan’s sleepwear support the nightly changes in body temperature and thereby naturally improve sleep."
- Dr. Christine Blume, Sleep Researcher
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Breathable, featherlight warmth
Discover what the softest, most comfortable merino pyjamas for women can do for your sleep comfort, keeping you comfortably warm without overheating.
- 50% lighter warmth than other thermal sleepwear
- 4x more breathable than cotton
- 2x softer than cotton -
NATTWARM™ Technology
NATTWARM™ fabric has been engineered to offer ultra light warmth. Tested against fabrics such as cotton, bamboo, and synthetics, NATTWARM™ is more warming than textiles up to 50% heavier making it ideal as merino wool sleepwear for women.
-
Luxurious blend of merino wool and eucalyptus
NATTWARM™ fabric is made of a blend of performance fibres; eucalyptus fibres for breathable softness and luxury merino wool for comfort and warmth. We use NATIVA™ 100% traceable, mulesing-free merino wool from certified farms in Uruguay.
-
Recommended by sleep experts
"Body temperature and sleep are inseparably linked, the right temperature is essential for good sleep. Dagsmejan’s sleepwear support the nightly changes in body temperature and thereby naturally improve sleep."
- Dr. Christine Blume, Sleep Researcher
SLEEP IN IT, LOVE IT OR RETURN IT