Head-to-head · Best Cooling Pillows

Saatva Latex Pillow vs Slumber Cloud UltraCool 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.

The short answer

Saatva Latex Pillow comes out ahead by a narrow margin (4.6 vs 4.5). The gap is mostly about Hot sleepers who want a hypoallergenic, lifetime-warranty pillow without the synthetic feel of PCM fabrics — buyers with latex allergies should skip; buyers with feather allergies looking for a down-like alternative should prioritize. — read the strengths below before deciding.

$Saatva Latex Pillow$

Higher ratedRanked #3 in Best Cooling Pillows

Saatva Latex Pillow

4.6

$165

The Saatva is the pillow to pick if you sleep hot but don't want the synthetic feel of phase-change fabrics. Shredded Talalay latex naturally regulates temperature by allowing air to move through the whole pillow body, not just the surface. Sleep Foundation rated Temperature Control 8/10; Mattress Nerd gave it 4.6/5 overall. Best for buyers who want a hypoallergenic, lifetime-warranty cooling pillow with a familiar fluffy feel.

Strengths

— Shredded Talalay latex core breathes through naturally — no PCM or gel needed for sustained airflow
— Two loft options (4-5 inch standard, 6-7 inch high) cover stomach, back, and side sleepers
— Organic cotton cover plus down-alternative microdenier outer layer for a plush-on-foam feel

Watch-outs

— Not cool to the touch on contact — relies on breathability rather than active cooling
— Heavier than down-alternative or fiberfill — 5 lb queen, 6 lb king
— Latex core is spot-clean only; only the cover is machine washable

$165 · Buy at saatva.com Full review →

Ranked #2 in Best Cooling Pillows

Slumber Cloud UltraCool Pillow

4.5

$154

Slumber Cloud built their reputation on Outlast PCM bedding, and the UltraCool Pillow is the flagship application of the same NASA-engineered fabric in their pillow line. CNN Underscored's tester said it was one of only two cooling pillows that actually cooled them overnight; Good Housekeeping named it Best Cooling Pillow. Pick it if you want pure cooling tech and don't need adjustability.

Strengths

— NASA-derived Outlast phase-change material absorbs, stores, and releases heat across the full night
— Named Best Cooling Pillow by Good Housekeeping and CNN Underscored for sustained overnight cooling
— Two firmness options (Soft/Medium, Medium/Firm) and three sizes including a 48-inch body pillow

Watch-outs

— Initial cool-touch sensation fades faster than some competitors as the PCM saturates
— 30-night trial is the shortest in this lineup — Saatva and Coop both run far longer
— Cooling works best without a cover; adding a thick pillowcase noticeably reduces the effect

$154 · Buy at slumbercloud.com Full review →

How they stack up

Saatva Latex Pillow

The breathability-first counterpoint to the Coop Cool+ and Slumber Cloud UltraCool, which both use surface-cooling tech. The Saatva won't feel as cold on initial touch as either, but the all-pillow airflow keeps temperatures more consistent across a long hot night. Lower-tech than the Purple Harmony's engineered Hex grid but more familiar in feel. Materially closer to the Cozy Earth Silk Pillow than to the foam-based options, but Saatva's loft is heftier and the warranty story is in a different universe.

Slumber Cloud UltraCool Pillow

Trades adjustability for pure cooling performance versus the Coop Cool+ — UltraCool's loft is fixed at the factory but the Outlast PCM is the most proven temperature-regulating fabric in the category. Cools more aggressively on contact than the Saatva Latex Pillow, but the Saatva's all-night airflow story is more consistent in a hot bedroom. Roughly tied with the Purple Harmony on overnight temperature; the Purple offers more responsive support, the UltraCool offers a softer, down-alternative-like feel.

Specs side-by-side

Spec	Saatva Latex Pillow	Slumber Cloud UltraCool Pillow
Material	Shredded Talalay latex + microdenier fiber	Down-alternative polyester fiberfill
Fill	Shredded natural latex core, microdenier outer layer	100% polyester fiberfill (adjustable on Adjustable model)
Cover	100% organic cotton, gusseted	100% polyester knit with Outlast coating
Cooling Tech	Passive — latex airflow + breathable cotton	Outlast phase-change material (NASA-derived)
Loft Options	Standard 4-5 inch, High 6-7 inch	—
Sizes	Standard/Queen, King	Standard 20x26, King 20x36, Body 20x48
Certifications	Hypoallergenic, dust-mite resistant	OEKO-TEX STANDARD 100
Trial Period	365 nights	30 nights
Warranty	Lifetime (cover 1-year limited)	180 days
Loft Adjustable	No — fixed loft (choose Standard or High at purchase)	Yes on Adjustable model; fixed on standard
Care	Machine wash cover & fill cold, tumble dry medium; do not wash latex core	Machine wash cold, tumble dry low

← See the full ranking of best cooling pillows