BeautyRest Dream Sleep Medium Tight Top 12.5" Mattress.Enjoy a balanced blend of comfort, support, and cleanliness with the BeautyRest Dream Sleep Medium Tight Top Mattress. Standing at 12.5 inches tall, this mattress features an antimicrobial quilted surface that helps guard against odor-causing bacteria, keeping your sleep environment fresh. Inside, 875-density Pocketed Coil Technology offers advanced, personalized support while minimizing motion transfer, so you can sleep soundly through the night. The addition of BeautyRest ActiveResponse Memory Foam provides contouring comfort designed to relieve pressure points and ease aches and pains. It?s a smarter, cleaner way to rest.