Plush Feel: Great for side sleepers for extra comfort at the shoulders, hips and lower back; This quilted top hybrid mattress is not compressed into a smaller box and is Assembled in the USA Support: Serta's 5 Zone Response Design combines coils and contouring memory foam for full body spinal alignment; Plush coils contour and cradle your pressure points while firm coils support the natural curves of your body Pressure Relief: Serta's Perfect Conform memory foam works with the mattresses coils to further contour and cradle your pressure points for a rejuvenating sleep Cool Feel System: This cooling technology utilizes graphite infused memory foam to promote heat distribution and keep you comfortable throughout the night Certified: All Serta Perfect Sleeper mattresses feature a 100 Night Trial, a 10-Year Limited Warranty, and CertiPUR-US certified foams free of harmful chemicals, so you can rest easy; Plus, all mattresses are compatible with adjustable bases Shipping/Manufacturing Note due to the high-quality manufacturing and substantial components contained within this mattress it cannot be compressed and is shipped ‘full-size’. Delivery Services availability and add-on costs determined by region. If Delivery services are available in your area you will be prompted to add them to your cart at checkout. Otherwise, Mattress will come standard with ‘door-drop-off’. If Delivery Services are not available in your region it is recommended you seek assistance/multiple persons to move due to the products heavy-bulky nature.