The 12″ Rejuvenate is a true premium hybrid mattress: high quality gel-infused memory foam, high density pressure-relieving memory foam and pocketed coils – for a perfect balance of comfort, support and body-contouring. It’s considered to be medium-firm in feel and has a removable cover. This mattress is made from renewable resources and uses plant-based oils. Open-cell structure, spandex-blended cover and gel-infused memory foam combine to assist you in a cooler, more comfortable sleep.