Queen Mattress, Potctz 12" Medium Plush Hybrid Innerspring Mattress and Gel Memory Foam Mattress. A layer of Queen 12" Medium Plush Hybrid Innerspring Mattress delivers all the pressure-relieving properties of memory foam with cooling gel infusion for a cooler sleep surface, letting you wake up refreshed. Gel memory foam encourages relieving pressure points, while the high-density foam base provides durable support throughout the night. Look for more excellent sleep products from Potctz.