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. Beneath, Merino and Joma® Wool work together to regulate body temperature and wick away moisture. Their unique structure enhances comfort, airflow, and durability for a cooler, more restful sleep. Materials: Belgian BCI cotton with exclusive Hypnos design; natural rayon FR fiber; Merino and Joma® wool. COMFORT LAYER: Certified organic latex gently conforms to your body for responsive comfort and pressure relief. A natural horse hair pad adds breathable, spring-like resilience to the core of the mattress. Layers of felted wool and cotton, along with recycled cotton and "blue" cotton, create deep-down support and promote airflow for a cooler, more comfortable sleep — all while reducing environmental impact. Materials: certified organic latex; horse hair pad; recycled "blue" cotton; natural wool and cotton felted upholstery pad; recycled cotton and wool SUPPORT DETAILS: The 1088 plush 16-gauge pocket spring system delivers individualized, cloud-like comfort while maintaining essential support across the entire surface. A coconut fiber pad adds durable structure. Hand compression tufting locks every layer in place for long-lasting performance and handcrafted quality. Materials: 1088 plush, 16 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