Head-to-head · Best Cooling Pillows

Coop Sleep Goods Cool+ Adjustable Pillow vs Purple Harmony Pillow

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

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The short answer

Purple Harmony Pillow comes out ahead by a narrow margin (4.1 vs 4.0). Purple Harmony Pillow is best for: Hot sleepers who want maximum overnight airflow and aren't married to traditional pillow feel — combo sleepers who shift positions overnight, anyone who's tried foam or down pillows and woken up overheated. Read the strengths below before deciding.

Ranked #5 in Best Cooling Pillows

Coop Sleep Goods Cool+ Adjustable Pillow

4.0

1 source$149as of Nov 5

For hot sleepers, the Coop Cool+ is the clearest upgrade Coop has shipped in years: a phase-change gel cover over plus-shaped foam that breathes about 50% better than the original Eden. Tom's Guide and HGTV both crowned it the best adjustable cooling pillow of the year, and the 100-night trial makes the price easier to stomach. Choose it when you want the adjustability of shredded fill alongside contact-cooling.

Strengths

— Dual-firmness flip design: one side runs supercooled and firmer, the other softer and cushioning
— Adjustable fill with included extra Oomph bag — shape it from pancake-flat to chunky side-sleeper loft
— GREENGUARD Gold and CertiPUR-US certified with a 100-night sleep trial and 5-year warranty

Watch-outs

— Heavy at over 4 lb queen — re-fluffing the shredded fill takes more effort than a down alternative

$149 · Check Price on Amazon Full review →

Higher ratedRanked #4 in Best Cooling Pillows

Purple Harmony Pillow

4.1

3 sources$194as of Nov 5

Purple's Harmony takes an engineering-first route to cooling. Rather than PCM fabrics or gel coatings, it wraps a 360-degree GelFlex Hex polymer grid around a ventilated Talalay latex core, moving air through the whole pillow body. Reviewers consistently rate it 5/5 for temperature regulation. The feel is unusual and not for everyone, but cooling performance ranks among the best in the category.

Strengths

— GelFlex Hex grid contains 1,500+ open-air channels for industry-leading airflow
— Three loft heights (Low 5.5", Medium 6.5", Tall 7.5") fit any sleep position
— Moisture-wicking nylon-spandex mesh cover wicks sweat away rather than absorbing it

Watch-outs

— Most expensive pillow on this list at $179 standard medium
— Hex grid feel is polarizing — some find it cradling, others find it springy and odd
— Mesh cover developed pulls in Tom's Guide's month-long test

$194 · Check Price on Amazon Full review →

How they stack up

Coop Sleep Goods Cool+ Adjustable Pillow

More adjustable than the Slumber Cloud UltraCool and the Saatva Latex Pillow, both of which fix loft at the factory. Sleeps measurably cooler than the Cozy Earth Silk Pillow once you actually put a case on it, because the Cool+ cover keeps its bite through cotton. The Purple Harmony beats it on raw airflow, but the Cool+ is the only pillow here you can rebuild from a flat 3-inch profile to a 7-inch slab in two minutes.

Purple Harmony Pillow

The most engineering-forward cooling pillow in this lineup — the Hex grid and ventilated latex deliver more raw airflow than the Coop Cool+ or Slumber Cloud UltraCool, both of which lean on surface cooling tech. The trade-off is feel: Purple's responsive bounce-back is unique. Saatva Latex shares a latex core but uses shredded latex (more conforming) while Purple uses solid latex with a polymer grid wrapped around it (more buoyant). Coolest on whole-pillow airflow, less cool on contact than the Cool+ or UltraCool. Cozy Earth Silk feels like a different category entirely.

Specs side-by-side

Spec	Coop Sleep Goods Cool+ Adjustable Pillow	Purple Harmony Pillow
Material	Gel-infused memory foam + microfiber	Hyper-Elastic Polymer grid + Talalay latex
Fill	Plus-shaped shredded foam (adjustable)	Solid ventilated Talalay latex core
Cover	Cool-touch knit with PCM layer	92% nylon, 8% spandex moisture-wicking mesh
Cooling Tech	Phase-change gel + Q-max 0.38 cool-touch surface	1,500+ air channels in Hex grid + pin-hole latex
Loft Adjustable	Yes — add/remove fill via zipper	No — fixed loft (choose Low/Medium/Tall at purchase)
Sizes	Queen 17x27, King 17x33	Standard, King
Certifications	CertiPUR-US, GREENGUARD Gold	Hypoallergenic, dust-mite resistant
Trial Period	100 nights	100 nights (via Purple direct)
Warranty	5 years	1 year
Care	Machine wash cover cold, tumble dry low; spot clean foam	Machine wash cover cold, air dry; spot clean core
Loft Options	None — fully adjustable (add/remove fill)	Low 5.5", Medium 6.5", Tall 7.5"

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