The Dutchess features generous layers of traceable RWS wool, combined with Hypnos’ expertly engineered ReActivePro™ pocket springs to provide luxurious total body comfort, combined with Triple Edge Protection™ for true edge-to-edge support. The Dutchess features responsibly sourced Himalayan Allo, or nettle fibres, sourced fairly from subsistence farmers in the Nepalese foothills, combined with silk-like Kapok and Cotton to create a uniquely sumptuous comfort layer for a recyclable and sustainable luxury feel. Relax on a responsibly sourced, chemical-free Belgian damask Viscose sleep surface that is naturally fire-resistant and free of FR chemicals, which safely and naturally meets all furniture and safety fire regulations without the need for synthetic flame-retardants. The Dutchess is a double-sided mattress designed to be turned with the seasons. It is available in Medium and Firmer spring tensions (comfort levels) and Zip and Link. Layers of certified British Wool traceable to assured farms, responsibly sourced Himalayan Allo, silk-like Kapok and Cotton with recycled eOlus™ fibres. The Dutchess mattress comes with a 10 year Guarantee.