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In-depth review

Bluewave Bedding Ultra Slim Max Cool Gel Memory Foam Pillow Review (2027)

In-depth review of the Bluewave Ultra Slim Max Cool: the 2.75-inch profile with a CarbonBlue phase change cover for hot stomach sleepers.

TGBy TrueGear Research TeamIndependent editorial teamLast updated How we researchResearch-based assessment · Pillows for Stomach Sleepers
Specs verified against manufacturer docs
No paid placements
Independently funded by readers
Updated 2026-10-28
Bluewave Bedding Ultra Slim Max Cool Gel Memory Foam Pillow Review (2027) featured graphic
Bluewave Bedding Ultra Slim Max Cool Gel Memory Foam Pillow

Bluewave Bedding Ultra Slim Max Cool Gel Memory Foam Pillow

The 2.75 inch Ultra Slim with a CarbonBlue Max Cool cover: Bluewave's thinnest and coolest foam.

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Our verdict

Take Bluewave's thinnest foam and give it the brand's coldest cover: that is the Ultra Slim Max Cool. At 2.75 inches it keeps the prone neck angle shallow like the plain Ultra Slim, while the phase change cover and gel foam answer the heat complaint slim foam usually earns. It is a cover upgrade on a proven shape, and for hot dedicated stomach sleepers it is the one to buy.

What we like

  • 2.75 inch loft keeps the prone neck angle at its shallowest
  • CarbonBlue phase change cover adds real cool touch to the gel foam
  • Gel infused foam resists the heat build-up of plain memory foam
  • Removable cover washes, which matters for a face-down pillow

What to watch out for

  • Too thin for side sleeping beyond a brief turn
  • Cooling is strongest at first contact and moderates overnight
  • Fixed foam loft cannot be tuned like the adjustable picks

What owners report: Bluewave Bedding Ultra Slim Max Cool Gel Memory Foam Pillow

Synthesized from recurring themes in long-term owner feedback.

Most praised

  • The coolest first touch in the Bluewave slim range
  • True 2.75 inch loft, measured thin like the plain model owners know
  • The zippered cover survives regular washing without losing its cool feel quickly

Common complaints

  • Owners of the plain Ultra Slim see it as a cover upgrade more than a new pillow
  • The surface coolness is front-loaded to the start of the night
  • Side sleepers borrowing it wake up wanting their taller pillow back

Who it is for

Dedicated stomach sleepers who sleep hot and want the lowest loft with the strongest cooling.

Same thin shape

The profile is the proven one: 2.75 inches of gel infused memory foam in a 25 x 16 inch standard size, low enough to keep a turned head and neck near level. Nothing about the Max Cool version changes the geometry that made the plain model this guide's thin benchmark.

What Max Cool adds

The difference is the cover system: a CarbonBlue phase change layer over the gel foam for an instant cool touch, with temperature control listed among the model's features. For face-down sleepers, whose cheek is in constant contact, cover cooling matters more than it does for any other sleeping position.

Limits

The loft is fixed and unforgiving for side sleep, the cooling is strongest early in the night, and owners of the plain Ultra Slim are buying a cover upgrade rather than a different pillow. Within its brief, hot and prone, it is complete.

Key specifications

Loft
2.75 in
Size
Standard, 25 x 16 in
Fill
Gel infused memory foam
Cover
CarbonBlue Max Cool, 60% nylon and 40% polyethylene, removable
Weight
3.3 lb
Features
Cooling, temperature control, neck support

Also consider

Research-based assessment. TrueGear has not hands-on tested this product; this evaluation synthesizes manufacturer specifications, retailer documentation, and published expert reviews.

Questions, answered

How thick is the Ultra Slim Max Cool?

2.75 inches in a standard 25 x 16 inch size, the thinnest height Bluewave sells.

How is it different from the plain Ultra Slim?

The Max Cool version adds the CarbonBlue phase change cooling cover over gel infused foam. The slim profile class is the same.

Can side sleepers use it?

Only briefly. At 2.75 inches it cannot fill the shoulder gap, so side sleepers should choose the Super Slim Max Cool or an adjustable pillow instead.

Every guide on Pillows for Stomach Sleepers15 pages