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 verified owner feedback. 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
| Pillow | Best for | Score | |
|---|---|---|---|
| Rest Evercool+ Cooling Pillowcases | Hot sleepers and night sweaters who want instant cool-to-the-touch fabric | 8.9 | Review |
| Blissy Silk Pillowcase | Hair and skin protection with the widest color range | 9.2 | Review |
| Slip Pure Silk Pillowcase | Beauty sleepers who want the dermatologist-favorite brand | 9.0 | Review |
| Brooklinen Mulberry Silk Pillowcase | Value buyers who want real 22-momme silk under $60 | 8.8 | Review |
Rest Evercool+ Cooling Pillowcases
A purpose-built cooling pillowcase pair with a lab-measured Qmax of 0.433 W/cm² — noticeably cool on contact, antimicrobial, and fully machine washable.
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?
Our editor's overall favorite for this category.
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.
FAQ
Affiliate disclosure: Mr. Squish may earn a commission when you buy through links on this page. Affiliate relationships never determine our scores or rankings — see how we test.