LUCID 12 Inch Memory Foam Mattress – Dual-Layer – CertiPUR-US Certified – 25-Year Warranty – Queen Price:  $349.00 (as of 18/10/2017 12:17 PST- Details)

12″ thick with dual memory foam layers that create deep down support and comfort
Open-cell technology keeps the mattress cool, creates a more durable foam, and prevents lasting body impressions
Correctly aligns the spine and helps relieve pain by supporting the natural curves of your head, neck, and shoulders