A bean bag gives way under you. The polystyrene beads slide to the edges, so you slowly sink toward the floor and end up rearranging the bag every time you sit down. Memory foam does the opposite. It shapes to your body and then supports you there, which is why a Comfort Cloud still feels full and supportive years in rather than half-empty.
This is the difference people notice first. Tahlia D. walked in thinking "bean bag," and found it "couldn't be further from that," describing the way it moulded around her and took away her back pain. Rees N., who has had upper back and neck injuries that make most seating uncomfortable, said the foam gave him genuine support where he needed it.