Discover the benefits of Tuft & Needle for less with the Tuft & Needle Kin 8 inch Firm Foam mattress. Exclusive to Amazon for the best savings, this mattress o?ers innovative cooling, responsive pressure relief, and a bounce-back feel, so you sink deep into sleep—but never into your mattress. Rest well as our T&N Adaptive foam's bounce-back design keeps you lifted while contouring to your body to relieve pressure. Thicker layers* of T&N Adaptive foam help provide additional comfort. Plus, a Foam Core for durable support, and GreendGuard Gold and CertiPUR-US certified foams for better indoor air quality, help you rest easy. Available in Twin, Twin XL, Full, Queen, King, and Cal King sizes, the Amazon-exclusive Tuft & Needle Kin 8” Foam mattress o?ers you the quality and comfort you need to wake up awake for years to come. *Compared to the 6” Kin Foam mattress.