Best Cooling Pillowcases
A cooling pillowcase is the cheapest cooling upgrade in bedding: instead of replacing a whole pillow, you change the surface your face actually touches. Two approaches genuinely work. Performance cooling knits use high thermal-conductivity yarns (measured by a Qmax score — the higher the number, the faster heat leaves your skin) and feel instantly cold to the touch. Natural silk works differently: it wicks moisture and never traps heat the way cotton percale or polyester satin does, so it stays neutral-to-cool all night. What does not work is polyester marketed as 'cooling satin' with no thermal spec behind it. The picks below were selected on measured or inherent cooling performance, feel against skin, wash care, and price, based on manufacturer specifications and published owner commentary (not independently verified). These are research picks.
These picks are based on manufacturer specifications and our research, not hands-on testing. See how we test pillows
Best cooling option
If your pillow itself sleeps hot, a cooling case helps but cannot fix the core — solid memory foam blocks will still warm up underneath. Pair a cooling case with a breathable fill (shredded foam, latex, or buckwheat) for the biggest drop in sleep temperature.
Quick picks
Shortlist order is editorial, not a ranking of measured performance. Compare each option’s fit, construction, price, and return terms before choosing.
| Pillow | Best for | Construction | |
|---|---|---|---|
| Rest Evercool+ Cooling Pillowcases | Hot sleepers and night sweaters who want instant cool-to-the-touch fabric | Evercool+ Cooling Knit | Review |
| Blissy Silk Pillowcase | Hair and skin protection with the widest color range | Mulberry Silk (22 momme) | Review |
| Slip Pure Silk Pillowcase | Beauty sleepers who want the dermatologist-favorite brand | Mulberry Silk (22 momme) | Review |
| Brooklinen Mulberry Silk Pillowcase | Value buyers who want real 22-momme silk under $60 | Mulberry Silk (22 momme) | Review |
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Rest Evercool+ Cooling Pillowcases
A synthetic cooling-knit pillowcase pair. Rest markets a cool initial feel; Mr. Squish has not measured overnight cooling.
Verified specs: Evercool+ Cooling Knit fill · soft feel · 1 year warranty.
Research pick — based on manufacturer specifications and our research.
Blissy Silk Pillowcase
22-momme 6A-grade mulberry silk with a hidden zipper, OEKO-TEX certified, and available in dozens of colors. The silk pillowcase that made the category mainstream.
Verified specs: Mulberry Silk (22 momme) fill · soft feel.
Research pick — based on manufacturer specifications and our research.
Slip Pure Silk Pillowcase
Slip's proprietary Slipsilk is a 22-momme long-fiber mulberry silk developed over ten years, with a finish specifically tuned to reduce friction on hair and skin.
Verified specs: Mulberry Silk (22 momme) fill · soft feel.
Research pick — based on manufacturer specifications and our research.
Brooklinen Mulberry Silk Pillowcase
The same 22-momme mulberry silk spec as the premium brands at a noticeably lower price, with an envelope closure and Brooklinen's bedding-grade quality control.
Verified specs: Mulberry Silk (22 momme) fill · soft feel.
Research pick — based on manufacturer specifications and our research.
Ready to give it a squish?
Start with the first option in this shortlist, then compare its fit and trade-offs with the alternatives.
Buying guide
When shopping for a pillow in this category, focus on loft, fill type, cover breathability, and trial period. Heavier sleepers usually need more support; petite sleepers often prefer lower loft.
Compare another fit
More core pillow guides
FAQ
When should I replace my pillow?
Check its condition and comfort after permitted care. Permanent damage or an unsuitable fit can justify replacement; age and warranty length alone do not establish a useful life.
Does a higher price guarantee a better fit?
No. Compare the construction, available adjustments and return terms with what you need on your own mattress.
Can I machine wash my pillow?
Follow the care label for the exact pillow. Cover and fill may have different instructions; do not assume both can be machine washed.
Keep reading
Affiliate disclosure: Mr. Squish may earn a commission when you buy through links on this page. Affiliate relationships never determine our recommendations — see how we test.