If you're in the market for a mattress with strong back support, then consider the Plank Firm Luxe.

The best memory foam mattresses feature contouring support, pressure relief, and minimal motion transfer. We rate cooling, ...

Plank Firm Mattress review: A dual-sided mattress that offers support all-round By Ruth Jones last updated 30 June 25 ...

When doing some hands-on testing for the Plank Firm mattress review, I was surprised by how cushiony it was when I was lying on my side, even though it's clearly a firm mattress.