A sumptuous turn free mattress offering out of this world comfort. Central to the Dominica?s amazing comfort is Cortec Ultra spring technology. Glue free and so slender, they contour perfectly with your spine, hips and shoulders. Wool Viscose Blend, Egyptian Cotton, Kapok and Alpaca Blend, Natural Cotton Blend fillings with Microlution 5000 Spring System with airflow keeping the natural fillings on the sleeping surface cool and dry. Available in either gentle, medium or Firm tension.