Enjoy a better night¿s sleep with the unique support technology inside every Sealy Posturepedic , where innovation never felt so good and neither will you. - The Align - Support coil system supports your body's natural alignment resulting in a deep, rewarding sleep. Smart - Tex draws away moisture to cool and regulate your sleep climate. An enhanced centre third Comfort - Core layer with Sense Material reduces pressure on your back. Dynamic Flexi - Cased reinforces the mattress walls for edge-to-edge support. The Lyrebird Firm combines premium fibre and cushioning quilt foam with cushioning foam, Sealy foam and Sense Material for a medium feel Available in long single, king single, double, queen, king or super king. Proudly made in Australia.