Deal verdict
Too early to call.
We need 30 days of prices for the Cool Rock and the Comfortzone Memory Foam Rolled Mattress before judging the deal.
Mattress Man
Not enough history yet
£289 King
£289 today. We started tracking this on 14 Nov 2026. A verdict needs 30 days of prices.
The chart appears once we have more than one day of prices. We started tracking this on 14 Nov 2026.
Checked
Dunelm
Not enough history yet
£239 King · Memory foam
£239 today. We started tracking this on 14 Nov 2026. A verdict needs 30 days of prices.
The chart appears once we have more than one day of prices. We started tracking this on 14 Nov 2026.
Checked
| Cool Rock | Comfortzone Memory Foam Rolled Mattress | |
|---|---|---|
| Firmness | Extra firm | Not stated |
| Warranty | 1 year | 5 years |
| Mattress type | Not stated | Memory foam |
| Sizes | Single, King | Single, Small Double, Double, King, Super King |
Specs are the figures each retailer publishes. Prices are for the size shown above.