Reclaim your nights and wake refreshed for your days with the Tuft and Needle Original Hybrid mattress. Combining T&N Flex Foam, individually-wrapped coils, and our original, T&N Adaptive foam, this mattress offers exceptional cooling, responsive comfort, and bounce-back support-plus enhanced motion control between sleepers-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 supportTransition layer - This layer, positioned above a layer of individually-wrapped coils, helps provide added comfort to the mattressIndividually-wrapped coils - Foam-encased individually-wrapped coils help isolate motion for optimal motion control, so you and your partner can rest undisturbedBase Foam - This durable layer helps create a supportive, stable foundationThe T&N Original Hybrid mattress provides up to 15% better airflow* for a refreshing night's sleep compared to the Tuft and Needle Original mattress. Size: california king. Material: Polyester Blend.