For those who are looking for a mattress with a slightly softer feel the airsprung symphony 1700 pocket mattress is an ideal choice this superiorly designed mattress is benefited from polyester filled pillow top for added comfort and 1700 individual springs which are placed separately in fabric pockets to give a quick response towards your body movements independently by keeping unused springs in upright position it helps to align your spine in natural way and to avoid roll together ef