Created with Dagsmejan, our sleepwear blends eucalyptus fibers and Nattcool™ tech for coolness and moisture control, as smooth as silk and easy to care for.
- NATTCOOL™ fabric is cooler than linen, softer than silk, and better at moisture management than cotton
- 8x more breathable than cotton
- Oeko-Tex Standard 100 Certified Technology
- Tagless design with flat, ergonomically placed seams
Materials
- 92% Microlyocell from eucalyptus and 8% Elastane/Lycra NATTCOOL™ fabric
Size Guide
S
Waist - 26” - 29”
Inseam - 2”
M
Waist - 29” - 31”
Inseam - 2.4”
L
Waist - 32” - 34”
Inseam - 2.8”
XL
Waist - 35” - 38”
Inseam - 3.2”
XXL
Waist - 38” - 41”
Inseam - 3.6”
Care Instructions
Basic Care:
Machine wash cold water on a gentle cycle with a mild detergent and with like colors only. Do not use fabric softener. Only use non-chlorine bleach when needed. Tumble dry low heat until completely dry.
Shipping & Returns
All U.S. orders are shipped right to your door, free of charge.
Sleep on it, wash it, and really put it to the test for 60 nights! If you don’t love your new bedding, just return it for a full refund. No questions asked!
*Final Sale items and colors are not eligible for return, exchange, or the 60 Night Trial Period.
STAY COOL Sleepwear - Women's Short
$79.00
Why You'll Love It:
We've partnered with Swiss sleepwear start-up Dagsmejan to launch sleepwear developed with NATTCOOL™ technology.
Exceptional Breathability
Excess body heat is released through the fabric keeping you cool.
Ultra Cooling
Evaporative cooling ensures you don't overheat.
Fast Drying
Sweat is pulled away from the skin and is quickly released through the fabric keeping you dry.
A better night’s sleep because of science.
It’s a fabric designed for NASA spacesuits up where temperatures change by 500 degrees. We think it can handle your bedroom.Learn More
The Only NASA Bedding
Our bedding utilizes Outlast®, the world’s only textile technology to have received the Certified Space Technology™ quality mark by the renowned Space Foundation.
Reduces Sweat By 50%
Our bedding provides proactive heat and moisture management, clinically proven to reduce night sweats by up to 50%. *Outlast Humidity Sleep Study
Improves Deep Sleep By 20%
Our bedding adapts to the ideal temperature of both hot and cold sleepers, proven to decrease tossing & turning and increase sleep efficiency by 20%.*Outlast Heat Sleep Study
FAQs
How many degrees cooler will this keep me?
Slumber Cloud products are designed to help manage heat and humidity build up. It is not an air conditioner with a set temperature degree, but it will react to your temperature all night long to reduce heat build up and manage temperature swings.
Do these fit true to size?
The Stay Cool Sleepwear generally fits true to size. We don't recommend sizing up or down from your standard sizing.
How much stretch is in the fabric?
With 8% Lycra, the fabric does have some stretch, ideal for sleeping and lounging in!
What is the hand-feel of the Sleepwear?
The premium fabric has a super soft athletic hand-feel, with a little stretch to the fabric.