With this twin mattress, you have endless possibilities for restful sleep. Its power packed wrapped coils contour to your body for a comforting feel. High-density foam provides the support you love; charcoal-infused gel memory foam delivers moisture control to help eliminate odors and regulate body temperature. You're sure to wake up feeling refreshed and restored. More About This Product Product Details Comfort level: firm High-density charcoal-infused gel memory foam High-density support foam Base support foam 416 power packed 15-gauge wrapped coils Ashley Edge "steel encased"; 2 perimeter rows of 13-gauge wrapped coils for edge support 4-way stretch cover Luxury pillow pocket technology Adjustable base compatible 10-year non-prorated warranty Note: Purchasing mattress and foundation from two different brands may void warranty; check warranty for details Foundation/box spring available, sold separately Mattress ships in a box; please allow 48 hours for your mattress to fully expand after opening Weight & Dimensions Dimensions Full Dimension 38W x 75D x 12H Weight Weight 55.12lbs.