Featuring the best in technical innovation, this firm mattress will keep you refreshingly cool in summer and cozy and warm in winter. Lambswool is vertically bonded using cutting-edge technologies, enabling the wool fibers to be extra breathable – perfect for hot sleepers. 2000 ergonomically designed pocket springs shape to your body's unique shape and weight to provide targeted firm support where you need it the most. The mattress is finished off with a cotton-sleeping surface that helps to wick moisture away from the body and aid with ventilation. Designed to be ‘easy care’ so there is no need to flip over, just rotate by the care instructions provided.