The Visco Pedic Core Plus is a foam encased pocket spring mattress with a difference. The centre pockets of this mattress features firmer gauge coils to provide superior back support. A luxurious pillow top boasts a combination of memory and high resilient foam to provide a comfortable pressure relieving sleep suThe Visco Pedic Core Plus is a foam encased pocket spring mattress with a difference. The centre pockets of this mattress features firmer gauge coils to provide superior back support. A luxurious pillow top boasts a combination of memory and high resilient foam to provide a comfortable pressure relieving sleep surface. rface.