For truly firm support that doesn't compromise on comfort, Ecosa's King TrueFirm Mattress has your back. Dual-sided for a comfortable sleep that’s tailored to you, you can fine-tune your firmness from 'Firm' to 'Extra Firm' with a simple flip of the mattress. Precision pocket springs help align the spine for targeted support, with minimal partner disturbance. Stay cool and sleep comfortably with breathable open-cell foams, hypoallergenic natural latex and springs — cleverly working together to regulate temperature, improve airflow, and help prevent overheating all night, every night.