Agility Endurance Hybrid MattressAgility Endurance Mattress Built for Stability. Designed for Recovery. The Agility Endurance mattress delivers robust support and responsive comfort for those who demand durability without compromising rest. Crafted with breathable copper memory foam and a firm natural latex layer, this hybrid mattress offers ideal pressure relief and enhanced alignment for all sleeping positions. Beneath its cooling stretch knit cover lies a steel encased coil system