Wake up feeling supported and refreshed as Jay-Be Flex Single Ultra-Firm e-Fibre Sprung Orthopaedic Mattress for back support brings together orthopaedic design and resilient spring core to help maintain stable posture all night, while the sustainably made mattress with springs features firm e-Fibre layers for comfort and eco friendly credentials, topped with a breathable Advance e-Fibre surface that lets moisture evaporate for a cosier sleep environment, so you'll enjoy a firmer feel without compromising on comfort or sustainability.