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Core Down Alternative Pillow - Final Sale
$100.00$218.00
Limited-time sale price — you save $118 on this 2-pack
Standard · Soft/Medium is sold out.
This size is not expected back this sale season — pick an in-stock option below.
Free US shipping & 30-night trial
Overview
Upgrade your sleep with our Core Down Alternative Pillow. Infused with NASA-engineered tech, it offers unmatched support and softness for ultimate comfort.
Features & Benefits
NASA engineered
Premium NASA-engineered Outlast® fabric on both sides fights off heat.
Filled in the
Filled in the USA
Two firmness levels
Two firmness levels for perfect neck support
Materials, Fabric Technology & Care
What it is made from
- 300 thread count, 100% cotton outer cover
- 100% polyester non-woven lining with Outlast® Technology coating
- 100% down alternative polyester fiberfill
How the fabric works
- Premium NASA-engineered Outlast® fabric on both sides fights off heat.
- Filled in the USA
- Two firmness levels for perfect neck support
- OEKO-TEX® STANDARD 100 Certified Technology. Certification Number: 05.0.9235
How to care for it
Basic Care: Machine wash cold water on a gentle cycle with a mild detergent, and with like colors only. For best results use a front load washer. Only use non-chlorine bleach when needed. Tumble dry low heat until completely dry. Remove from dryer immediately and fluff after drying. Do not iron.
Pro Tip: Pillows should be washed 2-4 times a year. For best results use a front load washer. When drying, use wool dryer balls to reduce dry time and improve fluffing.
Sizing & Dimensions
Standard - 20” x 26” King - 20” x 36”
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
Filled in theFilled in the USATwo firmness levelsTwo firmness levels for perfect neck support
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
- 300 thread count, 100% cotton outer cover
- 100% polyester non-woven lining with Outlast® Technology coating
- 100% down alternative polyester fiberfill
Technology & benefits
- Premium NASA-engineered Outlast® fabric on both sides fights off heat.
- Filled in the USA
- Two firmness levels for perfect neck support
- OEKO-TEX® STANDARD 100 Certified Technology. Certification Number: 05.0.9235
Care
Basic Care: Machine wash cold water on a gentle cycle with a mild detergent, and with like colors only. For best results use a front load washer. Only use non-chlorine bleach when needed. Tumble dry low heat until completely dry. Remove from dryer immediately and fluff after drying. Do not iron.
Pro Tip: Pillows should be washed 2-4 times a year. For best results use a front load washer. When drying, use wool dryer balls to reduce dry time and improve fluffing.
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