ABOUT THE COLLECTION: The Hypnos collection is a bespoke line of handcrafted mattresses made exclusively for Bloomingdale's. Rooted in British heritage since 1904 and proudly holding a Royal Warrant, each Hypnos bed is masterfully tailored using time-honored techniques and natural materials to deliver an exceptional sleep experience. With a legacy of craftsmanship and a commitment to sustainable luxury, the collection embodies regal comfort and enduring quality. View all the mattresses in the Hypnos collection QUILTING LAYER: A breathable Belgian BCI cotton cover featuring an exclusive Hypnos design creates a soft, sleep surface. This pure, untreated cotton pairs beautifully with a hand-blended layer of silk, wool, and cashmere—materials chosen for their ability to regulate temperature and wick away moisture for year-round comfort. Materials: Belgian cotton with exclusive Hypnos design; rayon fiber; silk, wool and cashmere. COMFORT LAYER:Natural cotton is a lightweight fiber that is hypoallergenic, recyclable, and biodegradable. It keeps your sleeping environment refreshing. Wool helps to wick heat and moisture away from your body. It's a soft and fluffy material that allows your mattress to breathe keeping your bed cool and dry. Materials: New Zealand wool and cashmere; certified organic latex; coconut fiber pad; natural wool and cotton felted upholstery pad; recycled "blue" cotton; natural wool and cotton felted upholstery pad; recycled cotton and wool SUPPORT DETAILS: A steel-encased 1215-count pocket spring unit made with 13.75-gauge coils delivers firm, deep-down support and enhanced airflow for a more restorative sleep. A natural coconut fiber pad reinforces structure without the use of polyurethane foam. Finally, traditional hand tufting secures all layers in place, increasing durability and minimizing body impressions for long-lasting comfort. Materials: 1215 steel encased, 13.75 gauge pocket spring; coconut fiber pad; compression hand tufting BOX SPRING: The Amish-made spruce wood foundation is designed for the highest weight capacity and features an additional center rail and increased edge support for superior stabilizing support, durability and extended life. Materials: Canadian spruce wood