Natural top mattress consists of 3,5 cm thick polyurethane foam, which is covered with quilted fabric with 70% cotton content. There is a layer of natural sheep wool added on one side between polyurethane foam and fabric and natural cotton on the other side.
| Length, mm | 2000 |
| Width, mm | 800, 900, 1200, 1400, 1600, 1800 |
| Height, mm | 60 |