The iSeries Hybrid features 2.5 inches of memory foam, a 12-inch total profile, making this mattress great for virtually all sleepers. On top, an exclusive Max Cold Cover is made from super-cool, high-performance fibers for an instant cool-to-the-touch sensation. Next, layers of premium memory foam, including Carbon Fiber Memory Foam, work together to provide just-right pressure relief and increased airflow to dissipate heat. Some of our items may have minor imperfections (an additional 10% will be taken off the item). *Other than 10% off disclaimer. Prices are firm. If this is the case, we will definitely list here, how many of this item has imperfections.