Zoned Dough® Queenmid Loft Plush Dough® formula creates a softer,, more supportive memory foam. Ventilated for increased air circulation and breathability. Zoned comfort cradles the head while supporting the neck. Rayon from bamboo velour removable cover. . . . . Dough® formula creates a softer,, more supportive memory foam Ventilated for increased air circulation and breathability Zoned comfort cradles the head while supporting the neck Rayon from bamboo velour removable cover