100% waterproof protection100% waterproof protection preserves your mattress and extends its lifespanSale ends in
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Core Mattress Protector - Crib - Final Sale
$15.00$79.00
Limited-time sale price — you save $64 on this size
1
Free US shipping & 30-night trial
Overview
Protect your baby's mattress with our Core Crib Mattress Protector. Featuring Outlast® technology, it regulates temperature and guards against liquids and germs for peaceful sleep.
Final Sale items are not eligible for return, exchange, or the 60-night trial period.
Features & Benefits
100% waterproof protection
100% waterproof protection preserves your mattress and extends its lifespan
Moisture control
Outlast® Xelerate™ fabric absorbs, stores, and releases heat then spreads excess absorbed heat out from under your body so you sleep at the perfect temperature
Full elastic pocket
Full elastic pocket holds the pad in place
Materials, Fabric Technology & Care
What it is made from
- 330 gsm 48%HDPE / 52% polyester circular knit fabric
- 100% polyester non-woven lining fabric with Outlast® Technology coating + heat spreading capabilities
- TPU breathable waterproof lamination
- Fullpocket 100% polyester knit elastic skirt
How the fabric works
- 100% waterproof protection preserves your mattress and extends its lifespan
- Outlast® Xelerate™ fabric absorbs, stores, and releases heat then spreads excess absorbed heat out from under your body so you sleep at the perfect temperature
- Full elastic pocket holds the pad in place
- 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. Tumble dry low heat until fill is completely dry. Remove from the dryer immediately. To maintain even distribution of fill, re-fluff or shake throughout the dry cycle. Only use non-chlorine bleach when needed. Do not dry clean. Do not iron.
Pro Tip: Mattress protectors should be washed 2-4 times a year. Do not iron, bleach or dry clean your mattress protector.
Sizing & Dimensions
One Size - 27.5” x 52” x 10”
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
100% waterproof protection100% waterproof protection preserves your mattress and extends its lifespanMoisture controlOutlast® Xelerate™ fabric absorbs, stores, and releases heat then spreads excess absorbed heat out from under your body so you sleep at the perfect temperatureFull elastic pocketFull elastic pocket holds the pad in place
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
- 330 gsm 48%HDPE / 52% polyester circular knit fabric
- 100% polyester non-woven lining fabric with Outlast® Technology coating + heat spreading capabilities
- TPU breathable waterproof lamination
- Fullpocket 100% polyester knit elastic skirt
Technology & benefits
- 100% waterproof protection preserves your mattress and extends its lifespan
- Outlast® Xelerate™ fabric absorbs, stores, and releases heat then spreads excess absorbed heat out from under your body so you sleep at the perfect temperature
- Full elastic pocket holds the pad in place
- 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. Tumble dry low heat until fill is completely dry. Remove from the dryer immediately. To maintain even distribution of fill, re-fluff or shake throughout the dry cycle. Only use non-chlorine bleach when needed. Do not dry clean. Do not iron.
Pro Tip: Mattress protectors should be washed 2-4 times a year. Do not iron, bleach or dry clean your mattress protector.
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