Uliyati Double Gel Memory Foam Mattress

The best-rated double mattress in this comparison (4.6 stars), using gel-infused memory foam specifically to counter the main complaint with foam mattresses — sleeping hot. Motion isolation is genuinely strong, which matters if you share the bed.

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Pros

Gel memory foam sleeps noticeably cooler than standard foam
Strong motion isolation for co-sleeping
Medium firmness suits most sleepers as a safe default

Cons

Fewer reviews than some rivals (487) despite the high rating
Foam-only design has less edge support than hybrid alternatives
20cm depth needs extra-deep fitted sheets

Specs

Size: Double, 135 x 190 x 20cm
Type: Gel memory foam (no springs)
Firmness: Medium
Cover: Breathable, removable

Why we recommend this

We compare pricing, availability, and verified ratings across retailers, then weight results toward fit for what you searched for, not just star count.