Silentnight UltraGel™ 1000 Onyx Medium Firm Mattress, Super King

The Silentnight UltraGel™ 1000 Onyx medium firm super king mattress is designed to provide balanced support with enhanced comfort for a restful night’s sleep. Its UltraGel™ layer stays cool while offering pressure relief by gently conforming to the body’s contours. The breathable foam construction promotes airflow to help regulate temperature, keeping the mattress fresh and comfortable throughout the night. The 1000 Mirapocket® springs provide zoned support that encourages proper spinal alignment and reduces partner disturbance, while the combination of responsive foam and pocket springs ensures both support and cushioning where it is needed most. With a medium firm feel and a no-turn design for easy care, this mattress delivers a supportive, cooling, and pressure-relieving sleep experience.