Instantly adapts as you move: GelFlex® Grid immediately flexes to support your position and springs back into place as you readjust and move overnight | Balances temperature: GelFlex® Grid draws excess heat away, working with the coil core to help you sleep at the perfect temperature | Relieves pressure: Responsive coil core combines with adaptive comfort foam layers and the GelFlex® Grid for outstanding pressure relief | Supports: GelFlex® Grid and fortified edges work seamlessly with the edge-to-edge coils to provide amazing support | Trusted durability: Built to last night after night through GelFlex Grid's flexible yet strong hyper-elastic polymer material, enhanced edge support and durable coil | Stay fresh cover: Antimicrobial finish on the cover keeps the mattress fresh longer | Your perfect feel: Choose between soft and firm options featuring two different combinations of comfort and support layers that deliver two distinct feels for individual preference | Mattress ships in a box; please allow 48 hours for your mattress to fully expand after opening | State recycling fee may apply | Made in the USA