Soft & smoothNATTCOOL™ fabric is cooler than linen, softer than silk, and better at moisture management than cottonSale ends in
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STAY COOL Sleepwear - Women's Short
$15.00$59.00
Limited-time sale price — you save $44 on this size
Mist · L is sold out.
This size is not expected back this sale season — pick an in-stock option below.
1
Free US shipping & 30-night trial
Overview
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.
Features & Benefits
Soft & smooth
NATTCOOL™ fabric is cooler than linen, softer than silk, and better at moisture management than cotton
Breathable
8x more breathable than cotton
Oeko
Oeko-Tex Standard 100 Certified Technology
Materials, Fabric Technology & Care
What it is made from
- 92% Microlyocell from eucalyptus and 8% Elastane/Lycra NATTCOOL™ fabric
How the fabric works
- 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
How to care for it
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.
Sizing & Dimensions
What's in the set
Every set includes one flat sheet, one fitted sheet, and pillowcases — two pillowcases for Full, Queen, King and Cal-King, one for Twin and Twin XL. King and Cal-King sets come with king-size pillowcases; all other sizes include standard pillowcases.
| Size | Waist | Inseam |
|---|---|---|
| S | 26” - 29” | 2” |
| M | 29” - 31” | 2.4” |
| L | 32” - 34” | 2.8” |
| XL | 35” - 38” | 3.2” |
| XXL | 38” - 41” | 3.6” |
Shipping, Returns & Price Match
Free US ground shipping — orders typically ship within 24 business hours from Denver, Colorado. Try it for 30 nights; if you don't love it, return it for a full refund. If it goes on a deeper sale within 30 days, we'll refund the difference.
Made for cooler, deeper sleep
Why you'll love it
Soft & smoothNATTCOOL™ fabric is cooler than linen, softer than silk, and better at moisture management than cottonBreathable8x more breathable than cottonOekoOeko-Tex Standard 100 Certified Technology
Inside the product
Materials chosen for cooler, more comfortable sleep.
From what touches your skin to how it performs overnight, every detail below comes directly from this product’s materials and care information.
Materials
- 92% Microlyocell from eucalyptus and 8% Elastane/Lycra NATTCOOL™ fabric
Technology & benefits
- 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
Care
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.
What the press says
“For truly hot sleepers, leave it to NASA engineering to figure out a way to help you finally stay cool at night.”
— Real Simple
The only NASA-derived bedding
Outlast® technology, originally developed for NASA
Award-winning sleep
Recognized by sleep and home editors
Independently lab tested
Improves sleep by 20%, reduces sweat by 50%
Verified Yotpo reviews
Real ratings from 30K+ sleepers
Good to know
Frequently asked questions
How does this bedding help with temperature?
Outlast® phase-change material absorbs excess body heat as you warm and releases it back as your temperature drops.
Can I wash it at home?
Yes. Follow the care instructions above for this product and avoid high heat to protect the fabric and temperature-regulating finish.
What if it is not right for me?
Eligible products include free US returns and a 30 night risk-free trial, so you can wash it, sleep on it and put it to the test.
Real sleepers, real results
Customer reviews
+30k verified reviews, powered by Yotpo.
Tested, not just claimed
Independent sleep testing on Outlast® bedding.
50%
reduction in sweat
20%
improvement in sleep
30K+
happy sleepers