Sofzsleep Slick Latex Mattress - H19cmSofzsleep Slick Latex Mattress, H19cm 7 Zone Latex Mattress Spine Support. Ergonomically designed to provide specific support for every part of your body. Softer upper back and pelvic areas offer pressure point relief and proper alignment of your spine. A firm lumbar zone supports the heaviest part of your body to relieve tension and keeps your spine in its natural alignment. The 7 sleep zones enable optimal pressure distribution, by matching the