Reclaim your nights and wake refreshed for your days with the reimagined Tuft and Needle Original mattress. Combining T&N Flex foam and our original, T&N Adaptive foam, this mattress offers exceptional cooling, responsive comfort, and bounce-back support for a refreshing sleep experience.Quality cover with cooling technology - A soft, quality cover features cooling technology to promote a cool sleeping environmentT&N Flex foam - A highly-breathable, fast-recovery foam responds to your body weight, firming the deeper you settle into the mattress for responsive comfort, unique to youT&N Release foam - A ventilated foam enhances pressure relief for all-night comfortT&N Adaptive foam - A breathable, open-cell foam, infused with cooling gel plus heat-conducting graphite, is designed to help wick heat away while providing contouring pressure relief and responsive, bounce-back supportBase Foam - This durable layer helps create a supportive, stable foundationThe T&N Original mattress provides up to 7% better airflow* for a refreshing night's sleep*compared to the same mattress with a standard memory foam in the place of the Flex foam. Size: california king. Material: Polyester Blend.