LoftWorks Rio Home Fashions 10-Inch Top Quilted Memory Foam Mattress, California King 1-Inch premium top quilted layer of memory foam for extra comfort 3-Inch firm memory foam support layer 6-Inch high resistance foam base for stability and outstanding support A stain resistant coating is applied to the 1-inch premium memory foam quilted top layer for long lasting mattress protection The mattress has multiple airflow channels to keep sleepers cool and more comfortable