9 LAYERS FOR A GOOD NIGHT'S SLEEP: Stretch-knit cover with cooling technology, safeguard fiber, cooling gel foam, firm support layer, 1" plush foam, 1 1/2" gel memory foam, 1" high-density plush foam, 8" wrapped support coils, and 1" stability base layer SUPPORTS ALL SLEEPING POSITIONS: Whether you prefer to sleep on your side, back, stomach, or switch between positions throughout the night, our design and materials ensure that you get the right level of support and pressure relief ENHANCED COMFORT AND SUPPORT: This hybrid mattress has been designed for the ultimate combination of firmness, coolness, breathability, and comfort for any sleeping position. Wake up feeling refreshed and energized, ready to take on the day STRAIGHT FROM THE FACTORY: Our mattresses are manufactured in the USA, simplifying the supply chain. We use superior materials to create a mattress that never spends time in a shipping container or warehouse TRY IT FOR 101 NIGHTS: Have peace of mind with our 101-night trial. If you're not satisfied, return it to us. If you find defects, please contact our support team. Say goodbye to the frustration and uncertainty, and hello to a restful night's sleep Wolf 13-Inch Memory Foam Hybrid Plush Mattress is a slightly softer alternative to our firm mattress option. This mattress blends gel memory foam hybrid and Wolf's signature individually wrapped coil system. Each element works in harmony to strike that ideal balance of softness and support. It also features 9 layers of plush comfort, including cutting-edge cooling technology certified CertiPUR-US Memory Foam Hybrid to help regulate temperature while you sleep. Available in Twin, Twin XL, Full, Queen and King sizes. Receive a Lifetime Warranty and 101-night trial on your purchase.