Cooling Urethane Pillow vs Memory Foam: Which Is Cooler
By MUJI USA | Published: 2026-10-18
Category: Comparisons
Compare MUJI's Cooling Urethane Pillow with standard memory foam to see which offers better breathability and cool sleep. We break down the trade-offs for hot sleepers.
Quick answer
For a cooler sleep surface, MUJI's Cooling Urethane Pillow outperforms standard memory foam thanks to its cooling gel core and low-rebound urethane that doesn't trap as much heat.
Why standard memory foam feels hot
Standard memory foam is dense and conforms closely to your head and neck, which can trap body heat. Many sleepers find it uncomfortable during warm nights or in humid climates.
How the Cooling Urethane Pillow addresses heat
MUJI's version uses a polyurethane foam and cooling gel inner core. The gel layer actively draws heat away from your skin, while the low-rebound urethane foam gently cradles your neck without creating a heat trap.
Trade-offs at a glance
- Breathability: The cooling gel core helps dissipate heat, but the urethane foam still retains some warmth. It is cooler than memory foam but not as airy as a shredded latex or down pillow.
- Conforming feel: Low-rebound urethane conforms gradually, similar to memory foam but with a slower response. This reduces pressure points but may feel less responsive to some sleepers.
- Versatility: The pillow can be used on either side for different seasons. The cooling side is best for summer; the standard side works in cooler months. Consider flipping the pillow seasonally to maximize comfort.
Product facts
- Cooling Urethane Pillow: The Cooling Urethane Pillow features a polyurethane foam and cooling gel inner core with low-rebound urethane foam that gradually conforms to your neck's natural curve. This combination provides support while keeping the surface cooler than standard memory foam, making it a better choice for hot sleepers.

Cooling Urethane Pillow
Which one should you choose?
Best for
- Hot sleepers who want a cooler surface than standard memory foam
- Side and back sleepers looking for gradual neck support without heat buildup
Not for
- Sleepers who prefer a very firm, responsive pillow
- Those who need a fully breathable, airy pillow like shredded latex or down
