This is where sleeping properly starts. Made with 1000 pocketed springs, No. 1 supports your whole body and responds to every movement. It s hand-filled with deep layers of wool and cotton to offer total comfort as well as breathability. And we tuft it by hand keeping fibers in place so they don t shift over time. No. 1 is finished with a woven layer of Belgian Damask. Known as ticking, it offers a smooth and uninterrupted feel across the whole mattress.