Designed to deliver balanced comfort, the Earlybird Dual Cool 10" Medium Memory Foam California King Mattress combines cooling surface technology with responsive memory foam for pressure-relieving support. It features a breathable cooling cover over adaptive memory foam layers and a supportive polyurethane base that promotes even support and durability. Made in the USA and delivered as a bed in a box, it includes a 10 year warranty for reliable performance and simple setup, making it a practical choice for sleepers who want medium-level contouring and a cooler sleep surface.