Whatever your workout level or style, the Sound Sleep Sport with Advanced Gel Technology™ will help you sleep deeper and recover faster.Our Copper & CBD Infused Tranqui-Memory Foam maximizes comfort and relaxation so you experience a restful sleep and wake calm and refreshed.Made with Purpose in the Pacific Northwest. Since 1992 Sound Sleep Products has been proudly crafting quality mattresses in the U.S.A. at our headquarters located in Sumner, Washington.