The Vispring Coronet mattress is designed to provide a luxurious sleeping experience with its generous filling of premium British fleece wool and cotton. This exceptional blend not only ensures a plush and cozy surface but also promotes breathability and comfort throughout the night. Each mattress is meticulously crafted with hand-tufting and two rows of side stitching by skilled artisans, showcasing an unparalleled dedication to craftsmanship. The single row of Vanadium steel, hand-nested Calico pocketed springs allows for tailored firmness options, accommodating individual sleep preferences from soft to extra-firm, including split firmness for king-size mattresses.