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Slumber Cloud

Silk Sleep Mask

Reviews+30k verified reviews
Select Color· Pearl
$59.00
1

Free US shipping & 30-night trial

Overview
Discover the ultimate nighttime luxury with our 100% Silk Eye Mask featuring NASA-engineered temperature regulation. This lightweight mask protects sensitive skin while preventing wrinkles and crow's feet. Experience complete darkness for deeper sleep and wake refreshed with our innovative dual heat management technology.
Features & Benefits

Adaptive cooling

Ultra lightweight proprietary lyocell based Outlast® lining fabric for dual heat management technologies.

One sizes fits

One sizes fits all thanks to an elastic headband.

OEKO

OEKO-TEX® STANDARD 100 Certified Technology. Certification Number: 05.0.9235

Materials, Fabric Technology & Care

What it is made from

  • 22 momme weight 100% pure mulberry Silk
  • 100% Tencel® lyocell lining with Outlast® technology coating
  • 100% polyester fiberfill

How the fabric works

  • Ultra lightweight proprietary lyocell based Outlast® lining fabric for dual heat management technologies.
  • One sizes fits all thanks to an elastic headband.
  • OEKO-TEX® STANDARD 100 Certified Technology. Certification Number: 05.0.9235
  • Reduces moisture buildup

How to care for it

Basic: Hand wash with cold water using a pH neutral liquid detergent and/or fabric softner. Line dry. Do not tumble dry or iron.

Sizing & Dimensions
  • One size fits most
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

Adaptive coolingUltra lightweight proprietary lyocell based Outlast® lining fabric for dual heat management technologies.
One sizes fitsOne sizes fits all thanks to an elastic headband.
OEKOOEKO-TEX® STANDARD 100 Certified Technology. Certification Number: 05.0.9235
rollover

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.

01

Materials

  • 22 momme weight 100% pure mulberry Silk
  • 100% Tencel® lyocell lining with Outlast® technology coating
  • 100% polyester fiberfill
02

Technology & benefits

  • Ultra lightweight proprietary lyocell based Outlast® lining fabric for dual heat management technologies.
  • One sizes fits all thanks to an elastic headband.
  • OEKO-TEX® STANDARD 100 Certified Technology. Certification Number: 05.0.9235
  • Reduces moisture buildup
03

Care

Basic: Hand wash with cold water using a pH neutral liquid detergent and/or fabric softner. Line dry. Do not tumble dry or iron.

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.

Waking up rested in Slumber Cloud bedding

Tested, not just claimed

Independent sleep testing on Outlast® bedding.

50%

reduction in sweat

20%

improvement in sleep

30K+

happy sleepers