Rock Hard Super Firm Mattress

Mattress Online Logo
Mattress Online Rock Hard Super Firm Mattress Full
Extra Firm
Firmness
Memory foam
Comfort
Reflex foam
Support

Looking for an extremely firm, super-supportive mattress? Your search is over! Our firmest-ever mattress has arrived - and it's perfect if you love a sturdy, more solid feel.

  • Our firmest-ever mattress!
  • Perfect if you love a super-firm feel and plenty of full-body support
  • A full foam block - no springs, for more consistent support
  • Extremely firm from edge to edge
  • Orthopaedic support to care for your back
  • Made from eco-friendly Ecofoam - 100% sustainable and recyclable
  • Knitted fabric cover for a smooth sleeping surface
  • Single-sided for easier care
  • Easy to move using the robust built-in turning handles
  • Depth: 23cm
  • 10 Year Guarantee
  • Cover is guaranteed for 12 months
  • Made in the UK