NATTCOOL™ SLEEP TECH

Sleep boxers

4.9

Rated 4.9 out of 5 stars

240 Reviews

£69.90 GBP

~~£0.00 GBP~~ £69.90 GBP

£0.19 a night

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Tax included and shipping calculated at checkout

8x more breathable

3x faster dry

2x softer

Color: Sage

Size

S M L XL 2XL

8x more breathable

3x faster dry

2x softer

This sleep boxer is engineered to provide cooling comfort in a totally natural and sustainable way.

The sleep benefits

With Dagsmejan’s cooling boxers you stay comfortable cool night and day:

8x more breathable than cotton
Dries in 1/3 of the time
2x softer than cotton

“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

Product 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 in the cooling sleep boxers

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 the cooling underwear
Learn to care for super-fine natural fibres in our care guide

Natural & sustainable

Dagsmejan's cooling underwear feature NATTCOOL™ which 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

Fit & size

Fit:

Semi-fitted
Waistband width (M): 76cm (2' 5") +/- 6cm (2.4") per size
Inleg seam length (M): 11 cm (4") +/- 0.5cm (0.2") per size

Model information:

Alex is 185cm (6’1”) and wears size M

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 and the EU.

Free delivery for all orders above 150 USD.

View full details

Sleep better with men's cooling pyjamas

The coolest sleep comfort

The coolest sleep comfort

Stay cool all night, every night with Dagsmejan's cooling pyjamas 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

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 pyjamas!
Read more
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 pyjamas don't contribute to an adverse impact on the environment.
Read more
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 pyjamas help us to cool down or warm up depending on our needs to sleep deeper for longer."
— Dr. Lutz Graumann
Read more

The coolest sleep comfort

Stay cool all night, every night with Dagsmejan's cooling pyjamas 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

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 pyjamas!
Read more
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 pyjamas don't contribute to an adverse impact on the environment.
Read more
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 pyjamas help us to cool down or warm up depending on our needs to sleep deeper for longer."
— Dr. Lutz Graumann
Read more

SLEEP IN IT, LOVE IT OR RETURN IT

Sleep in your Dagsmejan sleepwear for up to 2 weeks, if you don’t love it you can return it for a full refund.

4.9

Rated 4.9 out of 5 stars

Based on 240 reviews

Total 5 star reviews: 212 Total 4 star reviews: 24 Total 3 star reviews: 2 Total 2 star reviews: 1 Total 1 star reviews: 1

98%would recommend this product

Sleep comfort with Dagsmejan?Rated 4.9 on a scale of 1 to 5

Helps to regulate temperature and moisture?Rated 4.7 on a scale of 1 to 5

How is the sizing?Rated 0.0 on a scale of minus 2 to 2

Write a Review (Opens in a new window)

240 reviews

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JM
Joseph M.
Verified Buyer
Reviewing
Sleep boxers — NATTCOOL™
I recommend this product
My sleep type I'm sometimes warm and sometimes cold
Rated 5 out of 5 stars
20 seconds ago
NA
Very comfortable
Sleep comfort with Dagsmejan?Rated 5.0 on a scale of 1 to 5
Helps to regulate temperature and moisture?Rated 5.0 on a scale of 1 to 5
How is the sizing?Rated 0.0 on a scale of minus 2 to 2
Was this helpful?
CM
Charles M.
Verified Buyer
Reviewing
Sleep boxers — NATTCOOL™
I recommend this product
My sleep type I'm sometimes warm and sometimes cold
Rated 5 out of 5 stars
3 weeks ago
Nattcool
Very comfortable
Sleep comfort with Dagsmejan?Rated 5.0 on a scale of 1 to 5
Helps to regulate temperature and moisture?Rated 5.0 on a scale of 1 to 5
How is the sizing?Rated 0.0 on a scale of minus 2 to 2
Was this helpful?
SB
Stefan B.
Verified Buyer
Reviewing
Sleep boxers — NATTCOOL™
I recommend this product
My sleep type I'm often warm and sometimes sweat
Rated 5 out of 5 stars
4 months ago
Great
Very comfortable to wear.
Sleep comfort with Dagsmejan?Rated 5.0 on a scale of 1 to 5
Helps to regulate temperature and moisture?Rated 5.0 on a scale of 1 to 5
How is the sizing?Rated 0.0 on a scale of minus 2 to 2
Was this helpful?
CW
Cathy W.
Verified Buyer
Reviewing
Sleep boxers — NATTCOOL™
I recommend this product
My sleep type I'm often warm and sometimes sweat
Rated 5 out of 5 stars
4 months ago
none
none
Sleep comfort with Dagsmejan?Rated 5.0 on a scale of 1 to 5
Helps to regulate temperature and moisture?Rated 5.0 on a scale of 1 to 5
How is the sizing?Rated 0.0 on a scale of minus 2 to 2
Was this helpful?
SC
Salvatore C.
Verified Buyer
Reviewing
Sleep boxers — NATTCOOL™
I recommend this product
My sleep type I'm often warm and sometimes sweat
Rated 5 out of 5 stars
4 months ago
Sleep Boxer
Very good!
Sleep comfort with Dagsmejan?Rated 4.0 on a scale of 1 to 5
Helps to regulate temperature and moisture?Rated 4.0 on a scale of 1 to 5
How is the sizing?Rated 1.0 on a scale of minus 2 to 2
Was this helpful?

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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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Wear it with

Sleep boxers

Sleep boxers

The sleep benefits

Product details & care

Natural & sustainable

Fit & size

Free returns & comfort guarantee

Sleep better with men's cooling pyjamas

SLEEP IN IT, LOVE IT OR RETURN IT

FREE SHIPPING

FREE RETURNS

SECURE PAYMENT

SUSTAINABLE & ETHICAL