The Ashbourne Natural SoftThe softest of our three Natural mattresses, made for sleepers who like to sink in and stay there. Side sleepers, lighter frames and anyone who finds firmer beds unforgiving will recognise the feel. A 1000 pocket spring base does the work underneath. Each spring is individually encased so it responds only to the part of you sitting above it, which keeps your spine aligned without the bounce through you get from open coil. Above that sits wool, cotton,