Super comfy. Super pressure-relieving. Super cool. Super bloomin’ dooper. Comfy, pressure relieving and cooler than memory foam reduces heat build up for better night’s sleep, Airstream Memory advanced technology offers superior pressure relief. It’s also springy so you are free to move around in bed. This is important as movement enables the natural lubricants in your spine to repair it as you sleep, further relieving aches and pains. Unlike memory foam, Memory Airstream contains breathable fibres, which allow air to flow freely. Suitable for single beds. D4.5cm. Cover made from 100% polyester. 100% polyester filling. Fitted. Secured by elasticated corner straps. Cover is machine washable covers at 40C.