Gracious 24,250 An exceptional mattress with mohair, homegrown hemp and flax, British wool, viscose and Herdwick wool. A pioneering 24250 Sensa Intelligent spring system, featuring multiple layers of bamboo Micro springs and a Cortec™ natural pocket cloth core offers support all night long. Four rows of precise hand side stitching add to the exquisite design. Crafted with a luxurious super soft feel, in-house woven FR chemical treatment free fabric.