About this item

• King Mattress in a Box with 365-Night Trial - King size mattress in a box. A 365-night trial and a lifetime warranty give you plenty of time to decide if this King size mattress is right for you.
• Breathable and Comfortable - This King size mattress packs a punch of comfort with five layers of pressure-relieving and breathable foam, support foam, graphite-infused foam, and spring coils.
• King mattress with CertiPUR-US Certification - Rest easy knowing your mattress meets strict quality standards and has been rigorously tested for safety and durability.
• Upgraded Edge Support & Motion Isolation - It offers strong edge support down both sides of the King mattress to make getting in and out of bed easier. There's still plenty of pressure relief, and this King size mattress is very good at absorbing movements, which is good news for anyone who shares a bed.
• Sleep Tight - This King size mattress combines gel memory foam with innerspring to give you the perfect combo of comfy support and a little bounce. Its medium firmness gives a soft feel that cradles the joints without being too cushy.