Designed for all seasons our Millbrook Deluxe Wool 4000 provides the ultimate sleeping experience. At the heart of the mattress there are 4000 individual pocket springs which work in harmony with generous amounts of layered cotton and wool fillings which will help to keep you warm in winter and cool in summer. This luxurious high spring mattress will provide high levels of comfort and support and has a medium to firm comfort rating. Premium Hampshire Wool has been used which has a tendency to have a fuller and thicker structure than hill or mountain breeds. The mattress also benefits from having reinforced edges for increased side support helping to reduce roll off and increasing the sleeping surface. The mattress is upholstered in Polyester and Viscose infused with M-Pure, a 100% natural, plant-based fire treatment which avoids the need for harsh chemicals. This traditional hand tufted mattress also benefits from a 10-year manufactures warranty and includes a free 60 Night Sleep Trial which means that you can swap your mattress for another Millbrook mattress if you don’t love it. To find out more about the Millbrook 60 Night Sleep Trial please click here. This mattress has a medium comfort rating.