The Oasis Pocket Spring Series 2000 Pillow Top Mattress is a luxury addition to the high quality Joseph collection of beds and mattresses. The Oasis features a luxury pocket spring system. Each spring is able to move and react to your body independently to ensure top quality support from head to toe. Wool fillings and hypo allergenic fillings sit on top of the springs which adds great comfort. The Oasis Mattress is topped with a sumptuous pillow top to complete the luxury feel. The traditionally micro quilted 12″ deep mattress is completed with a 100% breathable soft touch fabric with side stitching.