With Wayfair sleep, you can rest easy knowing the quality and affordability of your purchase. The Wayfair sleep 12-inch firm gel memory foam mattress is designed for superior comfort. Crafted with a layer of ventilated latex-like foam, a layer of gel memory foam to assist in temperature regulation, a layer of transition foam, and a base foam for sturdy support— this firm feel is perfect for apartments and primary bedrooms, and it is great for back and stomach sleepers. Finished with a soft quilted cover, you are sure to enjoy the firm support your body desperately needs.