PERSONALIZED SUPPORT: 3 select foam layers provide tailored pressure relief and targeted ergonomic support to make this the perfect option for SIDE SLEEPERS and toss and turners. BREATHABLE COMFORT: Breathe Knit cover pillow top for excellent airflow. Hundreds of individually wrapped steel coils and reinforced side perimeters to cradle sleepers and limit motion transfer. SOFT FEEL(Sunset): Softer top layers of the mattress to give you that soft, lavish plush comfort you love. Soft premium foams offer optimal pressures relief and contouring at your hips and shoulders. 2 to 3 on firmness scale with 10 being the firmest. EASY SET UP: Compressed and rolled for easy and convenient parcel shipping and set up. ONLY THE BEST MATERIALS: This bed in a box mattress is Fiberglass-free, GREENGUARD Gold certified, and made with CertiPUR-US certified foams. Each mattress is carefully assembled in our own Arizona facility and delivered right to your door. We want you to be happy with your mattress and that's why we offer a 120 night sleep trial and a Limited Lifetime Warranty. The Helix Sunset is our softest memory foam model recommended for side sleepers and those who toss and turn at night. The mattress is designed to provide great contouring and pressure relief for your hips and shoulders while maintaining a softer feel.