The Sublime Superb double mattress by Vispring is one of the company's highest-end products for them one of the few models that offers two layers of pocket springs covered in pure calico cotton and arranged by hand inside the padding. Inside each double mattress there are 2200 springs and they can have different tensions, soft, medium, rigid and extra rigid, to have the best possible comfort and adapt to every need and request of the customer.The padding is made exclusively with natural materials, including: pure British wool, hand-combed horsehair with pure Shetland wool, silk and mohair, a blend of pure Shetland wool and cotton. The upholstery fabric is of the finest quality and is quilted with handmade wool flakes. The edges, on the other hand, are padded with coir and wool fibers and have 4 rows of hand-made side seams, for maximum strength and build quality.The mattress also offers horizontal handles to facilitate movement and cleaning and the upholstery and the edges also have a ventilation system.