The Posture Select Pillow Top Mattress from Sleeptronic’s Posture Physique Collection features a Luxury Stretch Knit ticking, Strataflex foam, a convoluted roll, a Convoluted Foam topper, Gel Visco Lumbar support, a polyfoam layer, a Protector Weave Barrier and foam encased coils with a base foam. This mattress will bring all the support and comfort that you need to get a good night’s sleep.