Gel-infused Dough® memory foam cradles the head and neck to relieve pressure, while an ample layer of liquid Z™ Gel captures and distributes heat for a comfortable sleep temperature. We combined our best cooling technologies with a unique shoulder recess that offers superb neck support for side sleepers. A removable 100% Tencel™ fiber cover adds softness and moisture-wicking comfort. Weight 34.650 lbs. (15.59kgs.)