The visco therapy impression coolindigo25 has been developed and engineered to offer the same feel and pressure relieving properties as the equivalent density visco elastic memory foam but without the associated heat discomfort coolindigo25 also features ultra fresh anti microbial protection for the ultimate in mattress hygiene this product also comes with pocket sprung mattress also has an 8cm boundary made of reflex foam around the springs to prevent you from rolling off the mattress while