The Sidney Organic Cotton Euro Top offers a softer feel compared to the other two models. Its a spring system with a nano coil system filled with cotton. Sidney Organic Cotton Euro Top Soft$2,099.00PriceSize*SelectQuantity*Add to CartSpecsPANEL - SOFT COTTON COVER + PLA + 2 LAYERS OF COTTON EURO TOP - 1" NANO COILS + 1 LAYER OF COTTON FALES PAD + 2.5" MICRO COILS + 1 LAYER OF COTTON FALES PAD COMFORT - 1 LAYER OF COTTON FALES PAD SUPPORT - QUANTUM EDGE POCKETED COILS + 2" BOTTOM STABILITY RECYCLED COTTON