Tuft & Needle Kin Medium 12″ King Adaptive Foam Mattress in a Box, Cooling Gel, Pressure Relief, Durable Support, 100 Night Trial, Fiberglass-Free, CertiPUR-US, 10-Year Limited Warranty

Price: $711.75 - $640.48
(as of Feb 12, 2026 01:59:39 UTC – Details)


Discover the benefits of Tuft & Needle for less with the Tuft & Needle Kin 12 inch Medium-Plush Foam mattress. Exclusive to Amazon for the best savings, this mattress offers 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. Plus, sleep cool as a gel-infused transition layer offers additional cooling and comfort for a restful sleep. Thicker layers* of T&N Adaptive foam and a durable Foam Core helps you sleep comfortably supported. Each mattress features GreenGuard Gold and CertiPUR-US certified foams for better indoor air quality, so you can rest easy. The Amazon-exclusive Tuft & Needle Kin 12” Foam mattress offers you the quality and comfort you need to wake up awake for years to come. *Compared to the 10” Kin Foam mattress
Medium Plush Feel – Soft, yet supportive and ideal for all sleepers; Discover the benefits of Tuft & Needle for less with the Tuft & Needle Kin 12 inch mattress; It is exclusive to Amazon and assembled in the USA for the highest quality
Breathability and Support – Our open-celled T&N Adaptive foam maximizes breathability, support, and pressure relief. T&N Adaptive foam is designed to feel more supportive than memory foam and latex, delivering a cool and restful night’s sleep
Enhanced Comfort – Features thicker foam layers than the Tuft & Needle Kin 10” model, plus a gel-infused transition layer for additional cooling and comfortable sleeping
Foam Design – Combining a breathable design and pressure-relieving foams, this foam mattress offers pressure relief and durable support, so you can rest well and wake up awake
This product comes compressed in a box with both a 100-Night Sleep Trial and 10 Year Limited Warranty; and is certified by both CertiPUR-US and GREENGUARD Gold; Please allow two weeks of use for your mattress to break in and air out