Brand new Sleep number Response fit curved standard size Pillow, Advanced memory foam technology offers exceptional pressure relief and resilient , cushioning support that holds it shape for continuous comfort that won’t change with temperature fluctuations. Open cell foam design for enhanced airflow is combined with nanotechnology to minimize heat buildup for comfortable sleep. Eco-friendly and antibacterial. Hypoallergenic for sensitive sleepers. Luxuriously soft knit cover is conveniently machine washable.#425549, 2023, thanks❤️inv32